81353460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1355891}}^1$

素因数の和:1355903

約数の個数: 24

約数和(自身を含む): 227789856

約数和(自身を除く): 146436396

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1355891, 2711782, 4067673, 5423564, 6779455, 8135346, 13558910, 16270692, 20338365, 27117820, 40676730, 81353460]

約数ペア:

[(1, 81353460), (2, 40676730), (3, 27117820), (4, 20338365), (5, 16270692), (6, 13558910), (10, 8135346), (12, 6779455), (15, 5423564), (20, 4067673), (30, 2711782), (60, 1355891)]