81031260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1350521}}^1$

素因数の和:1350533

約数の個数: 24

約数和(自身を含む): 226887696

約数和(自身を除く): 145856436

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1350521, 2701042, 4051563, 5402084, 6752605, 8103126, 13505210, 16206252, 20257815, 27010420, 40515630, 81031260]

約数ペア:

[(1, 81031260), (2, 40515630), (3, 27010420), (4, 20257815), (5, 16206252), (6, 13505210), (10, 8103126), (12, 6752605), (15, 5402084), (20, 4051563), (30, 2701042), (60, 1350521)]