257160640

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1699}}^1$

素因数の和:1770

約数の個数: 112

約数和(自身を含む): 683971200

約数和(自身を除く): 426810560

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 43, 44, 55, 64, 80, 86, 88, 110, 160, 172, 176, 215, 220, 320, 344, 352, 430, 440, 473, 688, 704, 860, 880, 946, 1376, 1699, 1720, 1760, 1892, 2365, 2752, 3398, 3440, 3520, 3784, 4730, 6796, 6880, 7568, 8495, 9460, 13592, 13760, 15136, 16990, 18689, 18920, 27184, 30272, 33980, 37378, 37840, 54368, 67960, 73057, 74756, 75680, 93445, 108736, 135920, 146114, 149512, 151360, 186890, 271840, 292228, 299024, 365285, 373780, 543680, 584456, 598048, 730570, 747560, 803627, 1168912, 1196096, 1461140, 1495120, 1607254, 2337824, 2922280, 2990240, 3214508, 4018135, 4675648, 5844560, 5980480, 6429016, 8036270, 11689120, 12858032, 16072540, 23378240, 25716064, 32145080, 51432128, 64290160, 128580320, 257160640]

約数ペア:

[(1, 257160640), (2, 128580320), (4, 64290160), (5, 51432128), (8, 32145080), (10, 25716064), (11, 23378240), (16, 16072540), (20, 12858032), (22, 11689120), (32, 8036270), (40, 6429016), (43, 5980480), (44, 5844560), (55, 4675648), (64, 4018135), (80, 3214508), (86, 2990240), (88, 2922280), (110, 2337824), (160, 1607254), (172, 1495120), (176, 1461140), (215, 1196096), (220, 1168912), (320, 803627), (344, 747560), (352, 730570), (430, 598048), (440, 584456), (473, 543680), (688, 373780), (704, 365285), (860, 299024), (880, 292228), (946, 271840), (1376, 186890), (1699, 151360), (1720, 149512), (1760, 146114), (1892, 135920), (2365, 108736), (2752, 93445), (3398, 75680), (3440, 74756), (3520, 73057), (3784, 67960), (4730, 54368), (6796, 37840), (6880, 37378), (7568, 33980), (8495, 30272), (9460, 27184), (13592, 18920), (13760, 18689), (15136, 16990)]