64578840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{538157}}^1$

素因数の和:538171

約数の個数: 32

約数和(自身を含む): 193736880

約数和(自身を除く): 129158040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 538157, 1076314, 1614471, 2152628, 2690785, 3228942, 4305256, 5381570, 6457884, 8072355, 10763140, 12915768, 16144710, 21526280, 32289420, 64578840]

約数ペア:

[(1, 64578840), (2, 32289420), (3, 21526280), (4, 16144710), (5, 12915768), (6, 10763140), (8, 8072355), (10, 6457884), (12, 5381570), (15, 4305256), (20, 3228942), (24, 2690785), (30, 2152628), (40, 1614471), (60, 1076314), (120, 538157)]