81130860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{450727}}^1$

素因数の和:450742

約数の個数: 36

約数和(自身を含む): 246097488

約数和(自身を除く): 164966628

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 450727, 901454, 1352181, 1802908, 2253635, 2704362, 4056543, 4507270, 5408724, 6760905, 8113086, 9014540, 13521810, 16226172, 20282715, 27043620, 40565430, 81130860]

約数ペア:

[(1, 81130860), (2, 40565430), (3, 27043620), (4, 20282715), (5, 16226172), (6, 13521810), (9, 9014540), (10, 8113086), (12, 6760905), (15, 5408724), (18, 4507270), (20, 4056543), (30, 2704362), (36, 2253635), (45, 1802908), (60, 1352181), (90, 901454), (180, 450727)]