15815720

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{17191}}^1$

素因数の和:17225

約数の個数: 32

約数和(自身を含む): 37134720

約数和(自身を除く): 21319000

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 17191, 34382, 68764, 85955, 137528, 171910, 343820, 395393, 687640, 790786, 1581572, 1976965, 3163144, 3953930, 7907860, 15815720]

約数ペア:

[(1, 15815720), (2, 7907860), (4, 3953930), (5, 3163144), (8, 1976965), (10, 1581572), (20, 790786), (23, 687640), (40, 395393), (46, 343820), (92, 171910), (115, 137528), (184, 85955), (230, 68764), (460, 34382), (920, 17191)]