15661860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{261031}}^1$

素因数の和:261043

約数の個数: 24

約数和(自身を含む): 43853376

約数和(自身を除く): 28191516

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 261031, 522062, 783093, 1044124, 1305155, 1566186, 2610310, 3132372, 3915465, 5220620, 7830930, 15661860]

約数ペア:

[(1, 15661860), (2, 7830930), (3, 5220620), (4, 3915465), (5, 3132372), (6, 2610310), (10, 1566186), (12, 1305155), (15, 1044124), (20, 783093), (30, 522062), (60, 261031)]