131986960

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{4447}}^1$

素因数の和:4520

約数の個数: 80

約数和(自身を含む): 357405696

約数和(自身を除く): 225418736

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 53, 56, 70, 80, 106, 112, 140, 212, 265, 280, 371, 424, 530, 560, 742, 848, 1060, 1484, 1855, 2120, 2968, 3710, 4240, 4447, 5936, 7420, 8894, 14840, 17788, 22235, 29680, 31129, 35576, 44470, 62258, 71152, 88940, 124516, 155645, 177880, 235691, 249032, 311290, 355760, 471382, 498064, 622580, 942764, 1178455, 1245160, 1649837, 1885528, 2356910, 2490320, 3299674, 3771056, 4713820, 6599348, 8249185, 9427640, 13198696, 16498370, 18855280, 26397392, 32996740, 65993480, 131986960]

約数ペア:

[(1, 131986960), (2, 65993480), (4, 32996740), (5, 26397392), (7, 18855280), (8, 16498370), (10, 13198696), (14, 9427640), (16, 8249185), (20, 6599348), (28, 4713820), (35, 3771056), (40, 3299674), (53, 2490320), (56, 2356910), (70, 1885528), (80, 1649837), (106, 1245160), (112, 1178455), (140, 942764), (212, 622580), (265, 498064), (280, 471382), (371, 355760), (424, 311290), (530, 249032), (560, 235691), (742, 177880), (848, 155645), (1060, 124516), (1484, 88940), (1855, 71152), (2120, 62258), (2968, 44470), (3710, 35576), (4240, 31129), (4447, 29680), (5936, 22235), (7420, 17788), (8894, 14840)]