64997040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{270821}}^1$

素因数の和:270837

約数の個数: 40

約数和(自身を含む): 201491568

約数和(自身を除く): 136494528

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 270821, 541642, 812463, 1083284, 1354105, 1624926, 2166568, 2708210, 3249852, 4062315, 4333136, 5416420, 6499704, 8124630, 10832840, 12999408, 16249260, 21665680, 32498520, 64997040]

約数ペア:

[(1, 64997040), (2, 32498520), (3, 21665680), (4, 16249260), (5, 12999408), (6, 10832840), (8, 8124630), (10, 6499704), (12, 5416420), (15, 4333136), (16, 4062315), (20, 3249852), (24, 2708210), (30, 2166568), (40, 1624926), (48, 1354105), (60, 1083284), (80, 812463), (120, 541642), (240, 270821)]