777777129840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{401}}^1\times {\mathrm{8081641}}^1$

素因数の和:8082058

約数の個数: 80

約数和(自身を含む): 2417122142496

約数和(自身を除く): 1639345012656

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 401, 802, 1203, 1604, 2005, 2406, 3208, 4010, 4812, 6015, 6416, 8020, 9624, 12030, 16040, 19248, 24060, 32080, 48120, 96240, 8081641, 16163282, 24244923, 32326564, 40408205, 48489846, 64653128, 80816410, 96979692, 121224615, 129306256, 161632820, 193959384, 242449230, 323265640, 387918768, 484898460, 646531280, 969796920, 1939593840, 3240738041, 6481476082, 9722214123, 12962952164, 16203690205, 19444428246, 25925904328, 32407380410, 38888856492, 48611070615, 51851808656, 64814760820, 77777712984, 97222141230, 129629521640, 155555425968, 194444282460, 259259043280, 388888564920, 777777129840]

約数ペア:

[(1, 777777129840), (2, 388888564920), (3, 259259043280), (4, 194444282460), (5, 155555425968), (6, 129629521640), (8, 97222141230), (10, 77777712984), (12, 64814760820), (15, 51851808656), (16, 48611070615), (20, 38888856492), (24, 32407380410), (30, 25925904328), (40, 19444428246), (48, 16203690205), (60, 12962952164), (80, 9722214123), (120, 6481476082), (240, 3240738041), (401, 1939593840), (802, 969796920), (1203, 646531280), (1604, 484898460), (2005, 387918768), (2406, 323265640), (3208, 242449230), (4010, 193959384), (4812, 161632820), (6015, 129306256), (6416, 121224615), (8020, 96979692), (9624, 80816410), (12030, 64653128), (16040, 48489846), (19248, 40408205), (24060, 32326564), (32080, 24244923), (48120, 16163282), (96240, 8081641)]