12839220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71329}}^1$

素因数の和:71344

約数の個数: 36

約数和(自身を含む): 38946180

約数和(自身を除く): 26106960

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 71329, 142658, 213987, 285316, 356645, 427974, 641961, 713290, 855948, 1069935, 1283922, 1426580, 2139870, 2567844, 3209805, 4279740, 6419610, 12839220]

約数ペア:

[(1, 12839220), (2, 6419610), (3, 4279740), (4, 3209805), (5, 2567844), (6, 2139870), (9, 1426580), (10, 1283922), (12, 1069935), (15, 855948), (18, 713290), (20, 641961), (30, 427974), (36, 356645), (45, 285316), (60, 213987), (90, 142658), (180, 71329)]