64638900

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{71821}}^1$

素因数の和:71841

約数の個数: 54

約数和(自身を含む): 202609862

約数和(自身を除く): 137970962

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, 71821, 143642, 215463, 287284, 359105, 430926, 646389, 718210, 861852, 1077315, 1292778, 1436420, 1795525, 2154630, 2585556, 3231945, 3591050, 4309260, 5386575, 6463890, 7182100, 10773150, 12927780, 16159725, 21546300, 32319450, 64638900]

約数ペア:

[(1, 64638900), (2, 32319450), (3, 21546300), (4, 16159725), (5, 12927780), (6, 10773150), (9, 7182100), (10, 6463890), (12, 5386575), (15, 4309260), (18, 3591050), (20, 3231945), (25, 2585556), (30, 2154630), (36, 1795525), (45, 1436420), (50, 1292778), (60, 1077315), (75, 861852), (90, 718210), (100, 646389), (150, 430926), (180, 359105), (225, 287284), (300, 215463), (450, 143642), (900, 71821)]