81112360

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{2281}}^1$

素因数の和:2426

約数の個数: 64

約数和(自身を含む): 210309120

約数和(自身を除く): 129196760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 127, 140, 254, 280, 508, 635, 889, 1016, 1270, 1778, 2281, 2540, 3556, 4445, 4562, 5080, 7112, 8890, 9124, 11405, 15967, 17780, 18248, 22810, 31934, 35560, 45620, 63868, 79835, 91240, 127736, 159670, 289687, 319340, 579374, 638680, 1158748, 1448435, 2027809, 2317496, 2896870, 4055618, 5793740, 8111236, 10139045, 11587480, 16222472, 20278090, 40556180, 81112360]

約数ペア:

[(1, 81112360), (2, 40556180), (4, 20278090), (5, 16222472), (7, 11587480), (8, 10139045), (10, 8111236), (14, 5793740), (20, 4055618), (28, 2896870), (35, 2317496), (40, 2027809), (56, 1448435), (70, 1158748), (127, 638680), (140, 579374), (254, 319340), (280, 289687), (508, 159670), (635, 127736), (889, 91240), (1016, 79835), (1270, 63868), (1778, 45620), (2281, 35560), (2540, 31934), (3556, 22810), (4445, 18248), (4562, 17780), (5080, 15967), (7112, 11405), (8890, 9124)]