30991020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{516517}}^1$

素因数の和:516529

約数の個数: 24

約数和(自身を含む): 86775024

約数和(自身を除く): 55784004

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 516517, 1033034, 1549551, 2066068, 2582585, 3099102, 5165170, 6198204, 7747755, 10330340, 15495510, 30991020]

約数ペア:

[(1, 30991020), (2, 15495510), (3, 10330340), (4, 7747755), (5, 6198204), (6, 5165170), (10, 3099102), (12, 2582585), (15, 2066068), (20, 1549551), (30, 1033034), (60, 516517)]