63855440

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{487}}^1$

素因数の和:660

約数の個数: 80

約数和(自身を含む): 163382400

約数和(自身を除く): 99526960

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 149, 176, 220, 298, 440, 487, 596, 745, 880, 974, 1192, 1490, 1639, 1948, 2384, 2435, 2980, 3278, 3896, 4870, 5357, 5960, 6556, 7792, 8195, 9740, 10714, 11920, 13112, 16390, 19480, 21428, 26224, 26785, 32780, 38960, 42856, 53570, 65560, 72563, 85712, 107140, 131120, 145126, 214280, 290252, 362815, 428560, 580504, 725630, 798193, 1161008, 1451260, 1596386, 2902520, 3192772, 3990965, 5805040, 6385544, 7981930, 12771088, 15963860, 31927720, 63855440]

約数ペア:

[(1, 63855440), (2, 31927720), (4, 15963860), (5, 12771088), (8, 7981930), (10, 6385544), (11, 5805040), (16, 3990965), (20, 3192772), (22, 2902520), (40, 1596386), (44, 1451260), (55, 1161008), (80, 798193), (88, 725630), (110, 580504), (149, 428560), (176, 362815), (220, 290252), (298, 214280), (440, 145126), (487, 131120), (596, 107140), (745, 85712), (880, 72563), (974, 65560), (1192, 53570), (1490, 42856), (1639, 38960), (1948, 32780), (2384, 26785), (2435, 26224), (2980, 21428), (3278, 19480), (3896, 16390), (4870, 13112), (5357, 11920), (5960, 10714), (6556, 9740), (7792, 8195)]