1561480

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{379}}^1$

素因数の和:493

約数の個数: 32

約数和(自身を含む): 3556800

約数和(自身を除く): 1995320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 379, 412, 515, 758, 824, 1030, 1516, 1895, 2060, 3032, 3790, 4120, 7580, 15160, 39037, 78074, 156148, 195185, 312296, 390370, 780740, 1561480]

約数ペア:

[(1, 1561480), (2, 780740), (4, 390370), (5, 312296), (8, 195185), (10, 156148), (20, 78074), (40, 39037), (103, 15160), (206, 7580), (379, 4120), (412, 3790), (515, 3032), (758, 2060), (824, 1895), (1030, 1516)]