15538020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{258967}}^1$

素因数の和:258979

約数の個数: 24

約数和(自身を含む): 43506624

約数和(自身を除く): 27968604

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 258967, 517934, 776901, 1035868, 1294835, 1553802, 2589670, 3107604, 3884505, 5179340, 7769010, 15538020]

約数ペア:

[(1, 15538020), (2, 7769010), (3, 5179340), (4, 3884505), (5, 3107604), (6, 2589670), (10, 1553802), (12, 1294835), (15, 1035868), (20, 776901), (30, 517934), (60, 258967)]