11500720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1867}}^1$

素因数の和:1898

約数の個数: 80

約数和(自身を含む): 33355008

約数和(自身を除く): 21854288

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, 1540, 1867, 3080, 3734, 6160, 7468, 9335, 13069, 14936, 18670, 20537, 26138, 29872, 37340, 41074, 52276, 65345, 74680, 82148, 102685, 104552, 130690, 143759, 149360, 164296, 205370, 209104, 261380, 287518, 328592, 410740, 522760, 575036, 718795, 821480, 1045520, 1150072, 1437590, 1642960, 2300144, 2875180, 5750360, 11500720]

約数ペア:

[(1, 11500720), (2, 5750360), (4, 2875180), (5, 2300144), (7, 1642960), (8, 1437590), (10, 1150072), (11, 1045520), (14, 821480), (16, 718795), (20, 575036), (22, 522760), (28, 410740), (35, 328592), (40, 287518), (44, 261380), (55, 209104), (56, 205370), (70, 164296), (77, 149360), (80, 143759), (88, 130690), (110, 104552), (112, 102685), (140, 82148), (154, 74680), (176, 65345), (220, 52276), (280, 41074), (308, 37340), (385, 29872), (440, 26138), (560, 20537), (616, 18670), (770, 14936), (880, 13069), (1232, 9335), (1540, 7468), (1867, 6160), (3080, 3734)]