15272720

素因数分解:

$2^4\times 5^1\times {\mathrm{190909}}^1$

素因数の和:190922

約数の個数: 20

約数和(自身を含む): 35509260

約数和(自身を除く): 20236540

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 190909, 381818, 763636, 954545, 1527272, 1909090, 3054544, 3818180, 7636360, 15272720]

約数ペア:

[(1, 15272720), (2, 7636360), (4, 3818180), (5, 3054544), (8, 1909090), (10, 1527272), (16, 954545), (20, 763636), (40, 381818), (80, 190909)]