30486680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{108881}}^1$

素因数の和:108899

約数の個数: 32

約数和(自身を含む): 78395040

約数和(自身を除く): 47908360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 108881, 217762, 435524, 544405, 762167, 871048, 1088810, 1524334, 2177620, 3048668, 3810835, 4355240, 6097336, 7621670, 15243340, 30486680]

約数ペア:

[(1, 30486680), (2, 15243340), (4, 7621670), (5, 6097336), (7, 4355240), (8, 3810835), (10, 3048668), (14, 2177620), (20, 1524334), (28, 1088810), (35, 871048), (40, 762167), (56, 544405), (70, 435524), (140, 217762), (280, 108881)]