15242780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{108877}}^1$

素因数の和:108893

約数の個数: 24

約数和(自身を含む): 36583008

約数和(自身を除く): 21340228

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 108877, 217754, 435508, 544385, 762139, 1088770, 1524278, 2177540, 3048556, 3810695, 7621390, 15242780]

約数ペア:

[(1, 15242780), (2, 7621390), (4, 3810695), (5, 3048556), (7, 2177540), (10, 1524278), (14, 1088770), (20, 762139), (28, 544385), (35, 435508), (70, 217754), (140, 108877)]