57255520

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{67}}^1\times {\mathrm{109}}^1$

素因数の和:205

約数の個数: 144

約数和(自身を含む): 161164080

約数和(自身を除く): 103908560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 67, 70, 80, 98, 109, 112, 134, 140, 160, 196, 218, 224, 245, 268, 280, 335, 392, 436, 469, 490, 536, 545, 560, 670, 763, 784, 872, 938, 980, 1072, 1090, 1120, 1340, 1526, 1568, 1744, 1876, 1960, 2144, 2180, 2345, 2680, 3052, 3283, 3488, 3752, 3815, 3920, 4360, 4690, 5341, 5360, 6104, 6566, 7303, 7504, 7630, 7840, 8720, 9380, 10682, 10720, 12208, 13132, 14606, 15008, 15260, 16415, 17440, 18760, 21364, 24416, 26264, 26705, 29212, 30520, 32830, 36515, 37520, 42728, 51121, 52528, 53410, 58424, 61040, 65660, 73030, 75040, 85456, 102242, 105056, 106820, 116848, 122080, 131320, 146060, 170912, 204484, 213640, 233696, 255605, 262640, 292120, 357847, 408968, 427280, 511210, 525280, 584240, 715694, 817936, 854560, 1022420, 1168480, 1431388, 1635872, 1789235, 2044840, 2862776, 3578470, 4089680, 5725552, 7156940, 8179360, 11451104, 14313880, 28627760, 57255520]

約数ペア:

[(1, 57255520), (2, 28627760), (4, 14313880), (5, 11451104), (7, 8179360), (8, 7156940), (10, 5725552), (14, 4089680), (16, 3578470), (20, 2862776), (28, 2044840), (32, 1789235), (35, 1635872), (40, 1431388), (49, 1168480), (56, 1022420), (67, 854560), (70, 817936), (80, 715694), (98, 584240), (109, 525280), (112, 511210), (134, 427280), (140, 408968), (160, 357847), (196, 292120), (218, 262640), (224, 255605), (245, 233696), (268, 213640), (280, 204484), (335, 170912), (392, 146060), (436, 131320), (469, 122080), (490, 116848), (536, 106820), (545, 105056), (560, 102242), (670, 85456), (763, 75040), (784, 73030), (872, 65660), (938, 61040), (980, 58424), (1072, 53410), (1090, 52528), (1120, 51121), (1340, 42728), (1526, 37520), (1568, 36515), (1744, 32830), (1876, 30520), (1960, 29212), (2144, 26705), (2180, 26264), (2345, 24416), (2680, 21364), (3052, 18760), (3283, 17440), (3488, 16415), (3752, 15260), (3815, 15008), (3920, 14606), (4360, 13132), (4690, 12208), (5341, 10720), (5360, 10682), (6104, 9380), (6566, 8720), (7303, 7840), (7504, 7630)]