990480

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{4127}}^1$

素因数の和:4143

約数の個数: 40

約数和(自身を含む): 3071232

約数和(自身を除く): 2080752

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 4127, 8254, 12381, 16508, 20635, 24762, 33016, 41270, 49524, 61905, 66032, 82540, 99048, 123810, 165080, 198096, 247620, 330160, 495240, 990480]

約数ペア:

[(1, 990480), (2, 495240), (3, 330160), (4, 247620), (5, 198096), (6, 165080), (8, 123810), (10, 99048), (12, 82540), (15, 66032), (16, 61905), (20, 49524), (24, 41270), (30, 33016), (40, 24762), (48, 20635), (60, 16508), (80, 12381), (120, 8254), (240, 4127)]