15678760

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23057}}^1$

素因数の和:23085

約数の個数: 32

約数和(自身を含む): 37353960

約数和(自身を除く): 21675200

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 23057, 46114, 92228, 115285, 184456, 230570, 391969, 461140, 783938, 922280, 1567876, 1959845, 3135752, 3919690, 7839380, 15678760]

約数ペア:

[(1, 15678760), (2, 7839380), (4, 3919690), (5, 3135752), (8, 1959845), (10, 1567876), (17, 922280), (20, 783938), (34, 461140), (40, 391969), (68, 230570), (85, 184456), (136, 115285), (170, 92228), (340, 46114), (680, 23057)]