8420720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1367}}^1$

素因数の和:1398

約数の個数: 80

約数和(自身を含む): 24427008

約数和(自身を除く): 16006288

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 140, 154, 176, 220, 280, 308, 385, 440, 560, 616, 770, 880, 1232, 1367, 1540, 2734, 3080, 5468, 6160, 6835, 9569, 10936, 13670, 15037, 19138, 21872, 27340, 30074, 38276, 47845, 54680, 60148, 75185, 76552, 95690, 105259, 109360, 120296, 150370, 153104, 191380, 210518, 240592, 300740, 382760, 421036, 526295, 601480, 765520, 842072, 1052590, 1202960, 1684144, 2105180, 4210360, 8420720]

約数ペア:

[(1, 8420720), (2, 4210360), (4, 2105180), (5, 1684144), (7, 1202960), (8, 1052590), (10, 842072), (11, 765520), (14, 601480), (16, 526295), (20, 421036), (22, 382760), (28, 300740), (35, 240592), (40, 210518), (44, 191380), (55, 153104), (56, 150370), (70, 120296), (77, 109360), (80, 105259), (88, 95690), (110, 76552), (112, 75185), (140, 60148), (154, 54680), (176, 47845), (220, 38276), (280, 30074), (308, 27340), (385, 21872), (440, 19138), (560, 15037), (616, 13670), (770, 10936), (880, 9569), (1232, 6835), (1367, 6160), (1540, 5468), (2734, 3080)]