15660280

素因数分解:

$2^3\times 5^1\times {\mathrm{379}}^1\times {\mathrm{1033}}^1$

素因数の和:1423

約数の個数: 32

約数和(自身を含む): 35362800

約数和(自身を除く): 19702520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 379, 758, 1033, 1516, 1895, 2066, 3032, 3790, 4132, 5165, 7580, 8264, 10330, 15160, 20660, 41320, 391507, 783014, 1566028, 1957535, 3132056, 3915070, 7830140, 15660280]

約数ペア:

[(1, 15660280), (2, 7830140), (4, 3915070), (5, 3132056), (8, 1957535), (10, 1566028), (20, 783014), (40, 391507), (379, 41320), (758, 20660), (1033, 15160), (1516, 10330), (1895, 8264), (2066, 7580), (3032, 5165), (3790, 4132)]