157424560

素因数分解:

$2^4\times 5^1\times {\mathrm{1223}}^1\times {\mathrm{1609}}^1$

素因数の和:2845

約数の個数: 40

約数和(自身を含む): 366539040

約数和(自身を除く): 209114480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1223, 1609, 2446, 3218, 4892, 6115, 6436, 8045, 9784, 12230, 12872, 16090, 19568, 24460, 25744, 32180, 48920, 64360, 97840, 128720, 1967807, 3935614, 7871228, 9839035, 15742456, 19678070, 31484912, 39356140, 78712280, 157424560]

約数ペア:

[(1, 157424560), (2, 78712280), (4, 39356140), (5, 31484912), (8, 19678070), (10, 15742456), (16, 9839035), (20, 7871228), (40, 3935614), (80, 1967807), (1223, 128720), (1609, 97840), (2446, 64360), (3218, 48920), (4892, 32180), (6115, 25744), (6436, 24460), (8045, 19568), (9784, 16090), (12230, 12872)]