180419220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{7211}}^1$

素因数の和:7365

約数の個数: 72

約数和(自身を含む): 551285280

約数和(自身を除く): 370866060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 139, 180, 278, 417, 556, 695, 834, 1251, 1390, 1668, 2085, 2502, 2780, 4170, 5004, 6255, 7211, 8340, 12510, 14422, 21633, 25020, 28844, 36055, 43266, 64899, 72110, 86532, 108165, 129798, 144220, 216330, 259596, 324495, 432660, 648990, 1002329, 1297980, 2004658, 3006987, 4009316, 5011645, 6013974, 9020961, 10023290, 12027948, 15034935, 18041922, 20046580, 30069870, 36083844, 45104805, 60139740, 90209610, 180419220]

約数ペア:

[(1, 180419220), (2, 90209610), (3, 60139740), (4, 45104805), (5, 36083844), (6, 30069870), (9, 20046580), (10, 18041922), (12, 15034935), (15, 12027948), (18, 10023290), (20, 9020961), (30, 6013974), (36, 5011645), (45, 4009316), (60, 3006987), (90, 2004658), (139, 1297980), (180, 1002329), (278, 648990), (417, 432660), (556, 324495), (695, 259596), (834, 216330), (1251, 144220), (1390, 129798), (1668, 108165), (2085, 86532), (2502, 72110), (2780, 64899), (4170, 43266), (5004, 36055), (6255, 28844), (7211, 25020), (8340, 21633), (12510, 14422)]