261639780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{4360663}}^1$

素因数の和:4360675

約数の個数: 24

約数和(自身を含む): 732591552

約数和(自身を除く): 470951772

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 4360663, 8721326, 13081989, 17442652, 21803315, 26163978, 43606630, 52327956, 65409945, 87213260, 130819890, 261639780]

約数ペア:

[(1, 261639780), (2, 130819890), (3, 87213260), (4, 65409945), (5, 52327956), (6, 43606630), (10, 26163978), (12, 21803315), (15, 17442652), (20, 13081989), (30, 8721326), (60, 4360663)]