15212680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{54331}}^1$

素因数の和:54349

約数の個数: 32

約数和(自身を含む): 39119040

約数和(自身を除く): 23906360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 54331, 108662, 217324, 271655, 380317, 434648, 543310, 760634, 1086620, 1521268, 1901585, 2173240, 3042536, 3803170, 7606340, 15212680]

約数ペア:

[(1, 15212680), (2, 7606340), (4, 3803170), (5, 3042536), (7, 2173240), (8, 1901585), (10, 1521268), (14, 1086620), (20, 760634), (28, 543310), (35, 434648), (40, 380317), (56, 271655), (70, 217324), (140, 108662), (280, 54331)]