12640470

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{421349}}^1$

素因数の和:421359

約数の個数: 16

約数和(自身を含む): 30337200

約数和(自身を除く): 17696730

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 421349, 842698, 1264047, 2106745, 2528094, 4213490, 6320235, 12640470]

約数ペア:

[(1, 12640470), (2, 6320235), (3, 4213490), (5, 2528094), (6, 2106745), (10, 1264047), (15, 842698), (30, 421349)]