255808840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{22283}}^1$

素因数の和:22342

約数の個数: 64

約数和(自身を含む): 673868160

約数和(自身を除く): 418059320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 41, 56, 70, 82, 140, 164, 205, 280, 287, 328, 410, 574, 820, 1148, 1435, 1640, 2296, 2870, 5740, 11480, 22283, 44566, 89132, 111415, 155981, 178264, 222830, 311962, 445660, 623924, 779905, 891320, 913603, 1247848, 1559810, 1827206, 3119620, 3654412, 4568015, 6239240, 6395221, 7308824, 9136030, 12790442, 18272060, 25580884, 31976105, 36544120, 51161768, 63952210, 127904420, 255808840]

約数ペア:

[(1, 255808840), (2, 127904420), (4, 63952210), (5, 51161768), (7, 36544120), (8, 31976105), (10, 25580884), (14, 18272060), (20, 12790442), (28, 9136030), (35, 7308824), (40, 6395221), (41, 6239240), (56, 4568015), (70, 3654412), (82, 3119620), (140, 1827206), (164, 1559810), (205, 1247848), (280, 913603), (287, 891320), (328, 779905), (410, 623924), (574, 445660), (820, 311962), (1148, 222830), (1435, 178264), (1640, 155981), (2296, 111415), (2870, 89132), (5740, 44566), (11480, 22283)]