261780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{4363}}^1$

素因数の和:4375

約数の個数: 24

約数和(自身を含む): 733152

約数和(自身を除く): 471372

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 4363, 8726, 13089, 17452, 21815, 26178, 43630, 52356, 65445, 87260, 130890, 261780]

約数ペア:

[(1, 261780), (2, 130890), (3, 87260), (4, 65445), (5, 52356), (6, 43630), (10, 26178), (12, 21815), (15, 17452), (20, 13089), (30, 8726), (60, 4363)]