15757640

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23173}}^1$

素因数の和:23201

約数の個数: 32

約数和(自身を含む): 37541880

約数和(自身を除く): 21784240

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 23173, 46346, 92692, 115865, 185384, 231730, 393941, 463460, 787882, 926920, 1575764, 1969705, 3151528, 3939410, 7878820, 15757640]

約数ペア:

[(1, 15757640), (2, 7878820), (4, 3939410), (5, 3151528), (8, 1969705), (10, 1575764), (17, 926920), (20, 787882), (34, 463460), (40, 393941), (68, 231730), (85, 185384), (136, 115865), (170, 92692), (340, 46346), (680, 23173)]