123801560

素因数分解:

$2^3\times 5^1\times {\mathrm{1151}}^1\times {\mathrm{2689}}^1$

素因数の和:3851

約数の個数: 32

約数和(自身を含む): 278899200

約数和(自身を除く): 155097640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1151, 2302, 2689, 4604, 5378, 5755, 9208, 10756, 11510, 13445, 21512, 23020, 26890, 46040, 53780, 107560, 3095039, 6190078, 12380156, 15475195, 24760312, 30950390, 61900780, 123801560]

約数ペア:

[(1, 123801560), (2, 61900780), (4, 30950390), (5, 24760312), (8, 15475195), (10, 12380156), (20, 6190078), (40, 3095039), (1151, 107560), (2302, 53780), (2689, 46040), (4604, 26890), (5378, 23020), (5755, 21512), (9208, 13445), (10756, 11510)]