131318640

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{182387}}^1$

素因数の和:182406

約数の個数: 60

約数和(自身を含む): 441014184

約数和(自身を除く): 309695544

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 182387, 364774, 547161, 729548, 911935, 1094322, 1459096, 1641483, 1823870, 2188644, 2735805, 2918192, 3282966, 3647740, 4377288, 5471610, 6565932, 7295480, 8207415, 8754576, 10943220, 13131864, 14590960, 16414830, 21886440, 26263728, 32829660, 43772880, 65659320, 131318640]

約数ペア:

[(1, 131318640), (2, 65659320), (3, 43772880), (4, 32829660), (5, 26263728), (6, 21886440), (8, 16414830), (9, 14590960), (10, 13131864), (12, 10943220), (15, 8754576), (16, 8207415), (18, 7295480), (20, 6565932), (24, 5471610), (30, 4377288), (36, 3647740), (40, 3282966), (45, 2918192), (48, 2735805), (60, 2188644), (72, 1823870), (80, 1641483), (90, 1459096), (120, 1094322), (144, 911935), (180, 729548), (240, 547161), (360, 364774), (720, 182387)]