72662140

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{719}}^1$

素因数の和:922

約数の個数: 48

約数和(自身を含む): 158699520

約数和(自身を除く): 86037380

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 163, 310, 326, 620, 652, 719, 815, 1438, 1630, 2876, 3260, 3595, 5053, 7190, 10106, 14380, 20212, 22289, 25265, 44578, 50530, 89156, 101060, 111445, 117197, 222890, 234394, 445780, 468788, 585985, 1171970, 2343940, 3633107, 7266214, 14532428, 18165535, 36331070, 72662140]

約数ペア:

[(1, 72662140), (2, 36331070), (4, 18165535), (5, 14532428), (10, 7266214), (20, 3633107), (31, 2343940), (62, 1171970), (124, 585985), (155, 468788), (163, 445780), (310, 234394), (326, 222890), (620, 117197), (652, 111445), (719, 101060), (815, 89156), (1438, 50530), (1630, 44578), (2876, 25265), (3260, 22289), (3595, 20212), (5053, 14380), (7190, 10106)]