15403890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{11941}}^1$

素因数の和:11994

約数の個数: 32

約数和(自身を含む): 37832256

約数和(自身を除く): 22428366

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 43, 86, 129, 215, 258, 430, 645, 1290, 11941, 23882, 35823, 59705, 71646, 119410, 179115, 358230, 513463, 1026926, 1540389, 2567315, 3080778, 5134630, 7701945, 15403890]

約数ペア:

[(1, 15403890), (2, 7701945), (3, 5134630), (5, 3080778), (6, 2567315), (10, 1540389), (15, 1026926), (30, 513463), (43, 358230), (86, 179115), (129, 119410), (215, 71646), (258, 59705), (430, 35823), (645, 23882), (1290, 11941)]