81630480

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{340127}}^1$

素因数の和:340143

約数の個数: 40

約数和(自身を含む): 253055232

約数和(自身を除く): 171424752

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 340127, 680254, 1020381, 1360508, 1700635, 2040762, 2721016, 3401270, 4081524, 5101905, 5442032, 6802540, 8163048, 10203810, 13605080, 16326096, 20407620, 27210160, 40815240, 81630480]

約数ペア:

[(1, 81630480), (2, 40815240), (3, 27210160), (4, 20407620), (5, 16326096), (6, 13605080), (8, 10203810), (10, 8163048), (12, 6802540), (15, 5442032), (16, 5101905), (20, 4081524), (24, 3401270), (30, 2721016), (40, 2040762), (48, 1700635), (60, 1360508), (80, 1020381), (120, 680254), (240, 340127)]