80728860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1345481}}^1$

素因数の和:1345493

約数の個数: 24

約数和(自身を含む): 226040976

約数和(自身を除く): 145312116

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1345481, 2690962, 4036443, 5381924, 6727405, 8072886, 13454810, 16145772, 20182215, 26909620, 40364430, 80728860]

約数ペア:

[(1, 80728860), (2, 40364430), (3, 26909620), (4, 20182215), (5, 16145772), (6, 13454810), (10, 8072886), (12, 6727405), (15, 5381924), (20, 4036443), (30, 2690962), (60, 1345481)]