57267280

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{2087}}^1$

素因数の和:2121

約数の個数: 80

約数和(自身を含む): 155347200

約数和(自身を除く): 98079920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 343, 392, 490, 560, 686, 784, 980, 1372, 1715, 1960, 2087, 2744, 3430, 3920, 4174, 5488, 6860, 8348, 10435, 13720, 14609, 16696, 20870, 27440, 29218, 33392, 41740, 58436, 73045, 83480, 102263, 116872, 146090, 166960, 204526, 233744, 292180, 409052, 511315, 584360, 715841, 818104, 1022630, 1168720, 1431682, 1636208, 2045260, 2863364, 3579205, 4090520, 5726728, 7158410, 8181040, 11453456, 14316820, 28633640, 57267280]

約数ペア:

[(1, 57267280), (2, 28633640), (4, 14316820), (5, 11453456), (7, 8181040), (8, 7158410), (10, 5726728), (14, 4090520), (16, 3579205), (20, 2863364), (28, 2045260), (35, 1636208), (40, 1431682), (49, 1168720), (56, 1022630), (70, 818104), (80, 715841), (98, 584360), (112, 511315), (140, 409052), (196, 292180), (245, 233744), (280, 204526), (343, 166960), (392, 146090), (490, 116872), (560, 102263), (686, 83480), (784, 73045), (980, 58436), (1372, 41740), (1715, 33392), (1960, 29218), (2087, 27440), (2744, 20870), (3430, 16696), (3920, 14609), (4174, 13720), (5488, 10435), (6860, 8348)]