30561320

素因数分解:

$2^3\times 5^1\times {\mathrm{313}}^1\times {\mathrm{2441}}^1$

素因数の和:2765

約数の個数: 32

約数和(自身を含む): 69010920

約数和(自身を除く): 38449600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 313, 626, 1252, 1565, 2441, 2504, 3130, 4882, 6260, 9764, 12205, 12520, 19528, 24410, 48820, 97640, 764033, 1528066, 3056132, 3820165, 6112264, 7640330, 15280660, 30561320]

約数ペア:

[(1, 30561320), (2, 15280660), (4, 7640330), (5, 6112264), (8, 3820165), (10, 3056132), (20, 1528066), (40, 764033), (313, 97640), (626, 48820), (1252, 24410), (1565, 19528), (2441, 12520), (2504, 12205), (3130, 9764), (4882, 6260)]