12838860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71327}}^1$

素因数の和:71342

約数の個数: 36

約数和(自身を含む): 38945088

約数和(自身を除く): 26106228

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 71327, 142654, 213981, 285308, 356635, 427962, 641943, 713270, 855924, 1069905, 1283886, 1426540, 2139810, 2567772, 3209715, 4279620, 6419430, 12838860]

約数ペア:

[(1, 12838860), (2, 6419430), (3, 4279620), (4, 3209715), (5, 2567772), (6, 2139810), (9, 1426540), (10, 1283886), (12, 1069905), (15, 855924), (18, 713270), (20, 641943), (30, 427962), (36, 356635), (45, 285308), (60, 213981), (90, 142654), (180, 71327)]