30991260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{516521}}^1$

素因数の和:516533

約数の個数: 24

約数和(自身を含む): 86775696

約数和(自身を除く): 55784436

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 516521, 1033042, 1549563, 2066084, 2582605, 3099126, 5165210, 6198252, 7747815, 10330420, 15495630, 30991260]

約数ペア:

[(1, 30991260), (2, 15495630), (3, 10330420), (4, 7747815), (5, 6198252), (6, 5165210), (10, 3099126), (12, 2582605), (15, 2066084), (20, 1549563), (30, 1033042), (60, 516521)]