257263110

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{173}}^1$

素因数の和:271

約数の個数: 192

約数和(自身を含む): 766112256

約数和(自身を除く): 508849146

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 31, 39, 41, 45, 62, 65, 78, 82, 90, 93, 117, 123, 130, 155, 173, 186, 195, 205, 234, 246, 279, 310, 346, 369, 390, 403, 410, 465, 519, 533, 558, 585, 615, 738, 806, 865, 930, 1038, 1066, 1170, 1209, 1230, 1271, 1395, 1557, 1599, 1730, 1845, 2015, 2249, 2418, 2542, 2595, 2665, 2790, 3114, 3198, 3627, 3690, 3813, 4030, 4498, 4797, 5190, 5330, 5363, 6045, 6355, 6747, 7093, 7254, 7626, 7785, 7995, 9594, 10726, 11245, 11439, 12090, 12710, 13494, 14186, 15570, 15990, 16089, 16523, 18135, 19065, 20241, 21279, 22490, 22878, 23985, 26815, 32178, 33046, 33735, 35465, 36270, 38130, 40482, 42558, 47970, 48267, 49569, 53630, 57195, 63837, 67470, 69719, 70930, 80445, 82615, 92209, 96534, 99138, 101205, 106395, 114390, 127674, 139438, 148707, 160890, 165230, 184418, 202410, 209157, 212790, 219883, 241335, 247845, 276627, 297414, 319185, 348595, 418314, 439766, 461045, 482670, 495690, 553254, 627471, 638370, 659649, 697190, 743535, 829881, 922090, 1045785, 1099415, 1254942, 1319298, 1383135, 1487070, 1659762, 1978947, 2091570, 2198830, 2766270, 2858479, 3137355, 3298245, 3957894, 4149405, 5716958, 6274710, 6596490, 8298810, 8575437, 9894735, 14292395, 17150874, 19789470, 25726311, 28584790, 42877185, 51452622, 85754370, 128631555, 257263110]

約数ペア:

[(1, 257263110), (2, 128631555), (3, 85754370), (5, 51452622), (6, 42877185), (9, 28584790), (10, 25726311), (13, 19789470), (15, 17150874), (18, 14292395), (26, 9894735), (30, 8575437), (31, 8298810), (39, 6596490), (41, 6274710), (45, 5716958), (62, 4149405), (65, 3957894), (78, 3298245), (82, 3137355), (90, 2858479), (93, 2766270), (117, 2198830), (123, 2091570), (130, 1978947), (155, 1659762), (173, 1487070), (186, 1383135), (195, 1319298), (205, 1254942), (234, 1099415), (246, 1045785), (279, 922090), (310, 829881), (346, 743535), (369, 697190), (390, 659649), (403, 638370), (410, 627471), (465, 553254), (519, 495690), (533, 482670), (558, 461045), (585, 439766), (615, 418314), (738, 348595), (806, 319185), (865, 297414), (930, 276627), (1038, 247845), (1066, 241335), (1170, 219883), (1209, 212790), (1230, 209157), (1271, 202410), (1395, 184418), (1557, 165230), (1599, 160890), (1730, 148707), (1845, 139438), (2015, 127674), (2249, 114390), (2418, 106395), (2542, 101205), (2595, 99138), (2665, 96534), (2790, 92209), (3114, 82615), (3198, 80445), (3627, 70930), (3690, 69719), (3813, 67470), (4030, 63837), (4498, 57195), (4797, 53630), (5190, 49569), (5330, 48267), (5363, 47970), (6045, 42558), (6355, 40482), (6747, 38130), (7093, 36270), (7254, 35465), (7626, 33735), (7785, 33046), (7995, 32178), (9594, 26815), (10726, 23985), (11245, 22878), (11439, 22490), (12090, 21279), (12710, 20241), (13494, 19065), (14186, 18135), (15570, 16523), (15990, 16089)]