81911580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1365193}}^1$

素因数の和:1365205

約数の個数: 24

約数和(自身を含む): 229352592

約数和(自身を除く): 147441012

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1365193, 2730386, 4095579, 5460772, 6825965, 8191158, 13651930, 16382316, 20477895, 27303860, 40955790, 81911580]

約数ペア:

[(1, 81911580), (2, 40955790), (3, 27303860), (4, 20477895), (5, 16382316), (6, 13651930), (10, 8191158), (12, 6825965), (15, 5460772), (20, 4095579), (30, 2730386), (60, 1365193)]