2012180720

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{607}}^1\times {\mathrm{3767}}^1$

素因数の和:4398

約数の個数: 80

約数和(自身を含む): 5113387008

約数和(自身を除く): 3101206288

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 607, 880, 1214, 2428, 3035, 3767, 4856, 6070, 6677, 7534, 9712, 12140, 13354, 15068, 18835, 24280, 26708, 30136, 33385, 37670, 41437, 48560, 53416, 60272, 66770, 75340, 82874, 106832, 133540, 150680, 165748, 207185, 267080, 301360, 331496, 414370, 534160, 662992, 828740, 1657480, 2286569, 3314960, 4573138, 9146276, 11432845, 18292552, 22865690, 25152259, 36585104, 45731380, 50304518, 91462760, 100609036, 125761295, 182925520, 201218072, 251522590, 402436144, 503045180, 1006090360, 2012180720]

約数ペア:

[(1, 2012180720), (2, 1006090360), (4, 503045180), (5, 402436144), (8, 251522590), (10, 201218072), (11, 182925520), (16, 125761295), (20, 100609036), (22, 91462760), (40, 50304518), (44, 45731380), (55, 36585104), (80, 25152259), (88, 22865690), (110, 18292552), (176, 11432845), (220, 9146276), (440, 4573138), (607, 3314960), (880, 2286569), (1214, 1657480), (2428, 828740), (3035, 662992), (3767, 534160), (4856, 414370), (6070, 331496), (6677, 301360), (7534, 267080), (9712, 207185), (12140, 165748), (13354, 150680), (15068, 133540), (18835, 106832), (24280, 82874), (26708, 75340), (30136, 66770), (33385, 60272), (37670, 53416), (41437, 48560)]