64231380

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1279}}^1$

素因数の和:1331

約数の個数: 120

約数和(自身を含む): 208158720

約数和(自身を除く): 143927340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 31, 36, 45, 54, 60, 62, 81, 90, 93, 108, 124, 135, 155, 162, 180, 186, 270, 279, 310, 324, 372, 405, 465, 540, 558, 620, 810, 837, 930, 1116, 1279, 1395, 1620, 1674, 1860, 2511, 2558, 2790, 3348, 3837, 4185, 5022, 5116, 5580, 6395, 7674, 8370, 10044, 11511, 12555, 12790, 15348, 16740, 19185, 23022, 25110, 25580, 34533, 38370, 39649, 46044, 50220, 57555, 69066, 76740, 79298, 103599, 115110, 118947, 138132, 158596, 172665, 198245, 207198, 230220, 237894, 345330, 356841, 396490, 414396, 475788, 517995, 594735, 690660, 713682, 792980, 1035990, 1070523, 1189470, 1427364, 1784205, 2071980, 2141046, 2378940, 3211569, 3568410, 4282092, 5352615, 6423138, 7136820, 10705230, 12846276, 16057845, 21410460, 32115690, 64231380]

約数ペア:

[(1, 64231380), (2, 32115690), (3, 21410460), (4, 16057845), (5, 12846276), (6, 10705230), (9, 7136820), (10, 6423138), (12, 5352615), (15, 4282092), (18, 3568410), (20, 3211569), (27, 2378940), (30, 2141046), (31, 2071980), (36, 1784205), (45, 1427364), (54, 1189470), (60, 1070523), (62, 1035990), (81, 792980), (90, 713682), (93, 690660), (108, 594735), (124, 517995), (135, 475788), (155, 414396), (162, 396490), (180, 356841), (186, 345330), (270, 237894), (279, 230220), (310, 207198), (324, 198245), (372, 172665), (405, 158596), (465, 138132), (540, 118947), (558, 115110), (620, 103599), (810, 79298), (837, 76740), (930, 69066), (1116, 57555), (1279, 50220), (1395, 46044), (1620, 39649), (1674, 38370), (1860, 34533), (2511, 25580), (2558, 25110), (2790, 23022), (3348, 19185), (3837, 16740), (4185, 15348), (5022, 12790), (5116, 12555), (5580, 11511), (6395, 10044), (7674, 8370)]