15153620

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{12421}}^1$

素因数の和:12491

約数の個数: 24

約数和(自身を含む): 32346888

約数和(自身を除く): 17193268

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 12421, 24842, 49684, 62105, 124210, 248420, 757681, 1515362, 3030724, 3788405, 7576810, 15153620]

約数ペア:

[(1, 15153620), (2, 7576810), (4, 3788405), (5, 3030724), (10, 1515362), (20, 757681), (61, 248420), (122, 124210), (244, 62105), (305, 49684), (610, 24842), (1220, 12421)]