15039641920

素因数分解:

$2^6\times 5^1\times {\mathrm{197}}^1\times {\mathrm{238573}}^1$

素因数の和:238787

約数の個数: 56

約数和(自身を含む): 35995090824

約数和(自身を除く): 20955448904

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 197, 320, 394, 788, 985, 1576, 1970, 3152, 3940, 6304, 7880, 12608, 15760, 31520, 63040, 238573, 477146, 954292, 1192865, 1908584, 2385730, 3817168, 4771460, 7634336, 9542920, 15268672, 19085840, 38171680, 46998881, 76343360, 93997762, 187995524, 234994405, 375991048, 469988810, 751982096, 939977620, 1503964192, 1879955240, 3007928384, 3759910480, 7519820960, 15039641920]

約数ペア:

[(1, 15039641920), (2, 7519820960), (4, 3759910480), (5, 3007928384), (8, 1879955240), (10, 1503964192), (16, 939977620), (20, 751982096), (32, 469988810), (40, 375991048), (64, 234994405), (80, 187995524), (160, 93997762), (197, 76343360), (320, 46998881), (394, 38171680), (788, 19085840), (985, 15268672), (1576, 9542920), (1970, 7634336), (3152, 4771460), (3940, 3817168), (6304, 2385730), (7880, 1908584), (12608, 1192865), (15760, 954292), (31520, 477146), (63040, 238573)]