81611580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1360193}}^1$

素因数の和:1360205

約数の個数: 24

約数和(自身を含む): 228512592

約数和(自身を除く): 146901012

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1360193, 2720386, 4080579, 5440772, 6800965, 8161158, 13601930, 16322316, 20402895, 27203860, 40805790, 81611580]

約数ペア:

[(1, 81611580), (2, 40805790), (3, 27203860), (4, 20402895), (5, 16322316), (6, 13601930), (10, 8161158), (12, 6800965), (15, 5440772), (20, 4080579), (30, 2720386), (60, 1360193)]