28706460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{478441}}^1$

素因数の和:478453

約数の個数: 24

約数和(自身を含む): 80378256

約数和(自身を除く): 51671796

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 478441, 956882, 1435323, 1913764, 2392205, 2870646, 4784410, 5741292, 7176615, 9568820, 14353230, 28706460]

約数ペア:

[(1, 28706460), (2, 14353230), (3, 9568820), (4, 7176615), (5, 5741292), (6, 4784410), (10, 2870646), (12, 2392205), (15, 1913764), (20, 1435323), (30, 956882), (60, 478441)]