257048520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{1429}}^1\times {\mathrm{1499}}^1$

素因数の和:2942

約数の個数: 64

約数和(自身を含む): 772200000

約数和(自身を除く): 515151480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 1429, 1499, 2858, 2998, 4287, 4497, 5716, 5996, 7145, 7495, 8574, 8994, 11432, 11992, 14290, 14990, 17148, 17988, 21435, 22485, 28580, 29980, 34296, 35976, 42870, 44970, 57160, 59960, 85740, 89940, 171480, 179880, 2142071, 4284142, 6426213, 8568284, 10710355, 12852426, 17136568, 21420710, 25704852, 32131065, 42841420, 51409704, 64262130, 85682840, 128524260, 257048520]

約数ペア:

[(1, 257048520), (2, 128524260), (3, 85682840), (4, 64262130), (5, 51409704), (6, 42841420), (8, 32131065), (10, 25704852), (12, 21420710), (15, 17136568), (20, 12852426), (24, 10710355), (30, 8568284), (40, 6426213), (60, 4284142), (120, 2142071), (1429, 179880), (1499, 171480), (2858, 89940), (2998, 85740), (4287, 59960), (4497, 57160), (5716, 44970), (5996, 42870), (7145, 35976), (7495, 34296), (8574, 29980), (8994, 28580), (11432, 22485), (11992, 21435), (14290, 17988), (14990, 17148)]