315132040

素因数分解:

$2^3\times 5^1\times {\mathrm{7878301}}^1$

素因数の和:7878312

約数の個数: 16

約数和(自身を含む): 709047180

約数和(自身を除く): 393915140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 7878301, 15756602, 31513204, 39391505, 63026408, 78783010, 157566020, 315132040]

約数ペア:

[(1, 315132040), (2, 157566020), (4, 78783010), (5, 63026408), (8, 39391505), (10, 31513204), (20, 15756602), (40, 7878301)]