51711120

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{71821}}^1$

素因数の和:71840

約数の個数: 60

約数和(自身を含む): 173665596

約数和(自身を除く): 121954476

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 71821, 143642, 215463, 287284, 359105, 430926, 574568, 646389, 718210, 861852, 1077315, 1149136, 1292778, 1436420, 1723704, 2154630, 2585556, 2872840, 3231945, 3447408, 4309260, 5171112, 5745680, 6463890, 8618520, 10342224, 12927780, 17237040, 25855560, 51711120]

約数ペア:

[(1, 51711120), (2, 25855560), (3, 17237040), (4, 12927780), (5, 10342224), (6, 8618520), (8, 6463890), (9, 5745680), (10, 5171112), (12, 4309260), (15, 3447408), (16, 3231945), (18, 2872840), (20, 2585556), (24, 2154630), (30, 1723704), (36, 1436420), (40, 1292778), (45, 1149136), (48, 1077315), (60, 861852), (72, 718210), (80, 646389), (90, 574568), (120, 430926), (144, 359105), (180, 287284), (240, 215463), (360, 143642), (720, 71821)]