15368980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{69859}}^1$

素因数の和:69879

約数の個数: 24

約数和(自身を含む): 35209440

約数和(自身を除く): 19840460

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 69859, 139718, 279436, 349295, 698590, 768449, 1397180, 1536898, 3073796, 3842245, 7684490, 15368980]

約数ペア:

[(1, 15368980), (2, 7684490), (4, 3842245), (5, 3073796), (10, 1536898), (11, 1397180), (20, 768449), (22, 698590), (44, 349295), (55, 279436), (110, 139718), (220, 69859)]