p-1 factors Total(20M-30M) numbers without factors to 2^66-2^68 -------------------------------------------------------------------- 2 factors 23895 8278 4 factors 12264 4577 6 factors 76473 27329 7 factors 12 2 8 factors 3343 1228 10 factors 47504 17911 12 factors 983 376 13 factors 2 0 14 factors 98842 35686 16 factors 5377 2038 18 factors 10600 3991 19 factors 6 3 20 factors 87 26 22 factors 68854 25951 23 factors 1 0 24 factors 24 5 25 factors 15 6 26 factors 2611 935 28 factors 1955 753 30 factors 66115 24718 31 factors 1 1 32 factors 4 1 34 factors 13646 5148 36 factors 1 1 37 factors 1 1 38 factors 12382 4726 40 factors 452 174 42 factors 181 75 43 factors 13 5 46 factors 48717 18559 48 factors 149 52 50 factors 39 14 52 factors 821 314 54 factors 2786 1055 58 factors 4090 1563 61 factors 2 0 62 factors 24315 9256 64 factors 36 16 66 factors 4 2 68 factors 54 24 70 factors 12259 4705 73 factors 3 2 74 factors 1 1 76 factors 12 5 78 factors 6824 2614 79 factors 13 4 82 factors 907 347 86 factors 142 56 88 factors 345 131 94 factors 17044 6431 96 factors 5 2 98 factors 250 90 100 factors 1 0 102 factors 42 16 103 factors 4 1 106 factors 1226 468 108 factors 6 5 110 factors 1228 460 118 factors 2806 1091 124 factors 82 28 126 factors 4570 1791 128 factors 1 0 130 factors 62 27 133 factors 8 4 134 factors 2 2 138 factors 93 24 142 factors 4392 1704 148 factors 27 6 152 factors 1 0 154 factors 8 2 158 factors 1599 626 160 factors 72 28 163 factors 1 0 166 factors 460 180 174 factors 40 14 178 factors 378 139 180 factors 1 1 187 factors 4 2 190 factors 2702 1073 194 factors 7 2 196 factors 2 1 198 factors 114 44 206 factors 6 2 208 factors 15 7 214 factors 515 216 218 factors 4 2 222 factors 219 85 232 factors 2 1 238 factors 656 260 248 factors 1 1 250 factors 64 18 254 factors 348 141 258 factors 1 1 262 factors 19 7 268 factors 14 6 278 factors 25 9 286 factors 487 207 292 factors 1 0 298 factors 16 6 310 factors 2 1 318 factors 128 51 322 factors 17 9 328 factors 1 0 334 factors 58 26 350 factors 3 1 358 factors 62 21 376 factors 1 0 382 factors 107 43 394 factors 1 1 398 factors 12 7 418 factors 5 3 430 factors 30 17 446 factors 6 3 478 factors 14 4 502 factors 5 1 510 factors 3 0 538 factors 1 1 574 factors 2 1 -------------------------------------------------------------------- Total 587252 218086