51718860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{287327}}^1$

素因数の和:287342

約数の個数: 36

約数和(自身を含む): 156881088

約数和(自身を除く): 105162228

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 287327, 574654, 861981, 1149308, 1436635, 1723962, 2585943, 2873270, 3447924, 4309905, 5171886, 5746540, 8619810, 10343772, 12929715, 17239620, 25859430, 51718860]

約数ペア:

[(1, 51718860), (2, 25859430), (3, 17239620), (4, 12929715), (5, 10343772), (6, 8619810), (9, 5746540), (10, 5171886), (12, 4309905), (15, 3447924), (18, 2873270), (20, 2585943), (30, 1723962), (36, 1436635), (45, 1149308), (60, 861981), (90, 574654), (180, 287327)]