1277360

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{2281}}^1$

素因数の和:2301

約数の個数: 40

約数和(自身を含む): 3395616

約数和(自身を除く): 2118256

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 2281, 4562, 9124, 11405, 15967, 18248, 22810, 31934, 36496, 45620, 63868, 79835, 91240, 127736, 159670, 182480, 255472, 319340, 638680, 1277360]

約数ペア:

[(1, 1277360), (2, 638680), (4, 319340), (5, 255472), (7, 182480), (8, 159670), (10, 127736), (14, 91240), (16, 79835), (20, 63868), (28, 45620), (35, 36496), (40, 31934), (56, 22810), (70, 18248), (80, 15967), (112, 11405), (140, 9124), (280, 4562), (560, 2281)]