81266580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{451481}}^1$

素因数の和:451496

約数の個数: 36

約数和(自身を含む): 246509172

約数和(自身を除く): 165242592

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 451481, 902962, 1354443, 1805924, 2257405, 2708886, 4063329, 4514810, 5417772, 6772215, 8126658, 9029620, 13544430, 16253316, 20316645, 27088860, 40633290, 81266580]

約数ペア:

[(1, 81266580), (2, 40633290), (3, 27088860), (4, 20316645), (5, 16253316), (6, 13544430), (9, 9029620), (10, 8126658), (12, 6772215), (15, 5417772), (18, 4514810), (20, 4063329), (30, 2708886), (36, 2257405), (45, 1805924), (60, 1354443), (90, 902962), (180, 451481)]