64880100

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{72089}}^1$

素因数の和:72109

約数の個数: 54

約数和(自身を含む): 203365890

約数和(自身を除く): 138485790

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 150, 180, 225, 300, 450, 900, 72089, 144178, 216267, 288356, 360445, 432534, 648801, 720890, 865068, 1081335, 1297602, 1441780, 1802225, 2162670, 2595204, 3244005, 3604450, 4325340, 5406675, 6488010, 7208900, 10813350, 12976020, 16220025, 21626700, 32440050, 64880100]

約数ペア:

[(1, 64880100), (2, 32440050), (3, 21626700), (4, 16220025), (5, 12976020), (6, 10813350), (9, 7208900), (10, 6488010), (12, 5406675), (15, 4325340), (18, 3604450), (20, 3244005), (25, 2595204), (30, 2162670), (36, 1802225), (45, 1441780), (50, 1297602), (60, 1081335), (75, 865068), (90, 720890), (100, 648801), (150, 432534), (180, 360445), (225, 288356), (300, 216267), (450, 144178), (900, 72089)]