28317780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{157321}}^1$

素因数の和:157336

約数の個数: 36

約数和(自身を含む): 85897812

約数和(自身を除く): 57580032

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 157321, 314642, 471963, 629284, 786605, 943926, 1415889, 1573210, 1887852, 2359815, 2831778, 3146420, 4719630, 5663556, 7079445, 9439260, 14158890, 28317780]

約数ペア:

[(1, 28317780), (2, 14158890), (3, 9439260), (4, 7079445), (5, 5663556), (6, 4719630), (9, 3146420), (10, 2831778), (12, 2359815), (15, 1887852), (18, 1573210), (20, 1415889), (30, 943926), (36, 786605), (45, 629284), (60, 471963), (90, 314642), (180, 157321)]