15287860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{109199}}^1$

素因数の和:109215

約数の個数: 24

約数和(自身を含む): 36691200

約数和(自身を除く): 21403340

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 109199, 218398, 436796, 545995, 764393, 1091990, 1528786, 2183980, 3057572, 3821965, 7643930, 15287860]

約数ペア:

[(1, 15287860), (2, 7643930), (4, 3821965), (5, 3057572), (7, 2183980), (10, 1528786), (14, 1091990), (20, 764393), (28, 545995), (35, 436796), (70, 218398), (140, 109199)]