153132920

素因数分解:

$2^3\times 5^1\times {\mathrm{821}}^1\times {\mathrm{4663}}^1$

素因数の和:5495

約数の個数: 32

約数和(自身を含む): 345042720

約数和(自身を除く): 191909800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 821, 1642, 3284, 4105, 4663, 6568, 8210, 9326, 16420, 18652, 23315, 32840, 37304, 46630, 93260, 186520, 3828323, 7656646, 15313292, 19141615, 30626584, 38283230, 76566460, 153132920]

約数ペア:

[(1, 153132920), (2, 76566460), (4, 38283230), (5, 30626584), (8, 19141615), (10, 15313292), (20, 7656646), (40, 3828323), (821, 186520), (1642, 93260), (3284, 46630), (4105, 37304), (4663, 32840), (6568, 23315), (8210, 18652), (9326, 16420)]