15157780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{68899}}^1$

素因数の和:68919

約数の個数: 24

約数和(自身を含む): 34725600

約数和(自身を除く): 19567820

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 68899, 137798, 275596, 344495, 688990, 757889, 1377980, 1515778, 3031556, 3789445, 7578890, 15157780]

約数ペア:

[(1, 15157780), (2, 7578890), (4, 3789445), (5, 3031556), (10, 1515778), (11, 1377980), (20, 757889), (22, 688990), (44, 344495), (55, 275596), (110, 137798), (220, 68899)]