28012860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{155627}}^1$

素因数の和:155642

約数の個数: 36

約数和(自身を含む): 84972888

約数和(自身を除く): 56960028

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 155627, 311254, 466881, 622508, 778135, 933762, 1400643, 1556270, 1867524, 2334405, 2801286, 3112540, 4668810, 5602572, 7003215, 9337620, 14006430, 28012860]

約数ペア:

[(1, 28012860), (2, 14006430), (3, 9337620), (4, 7003215), (5, 5602572), (6, 4668810), (9, 3112540), (10, 2801286), (12, 2334405), (15, 1867524), (18, 1556270), (20, 1400643), (30, 933762), (36, 778135), (45, 622508), (60, 466881), (90, 311254), (180, 155627)]