2667280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{433}}^1$

素因数の和:464

約数の個数: 80

約数和(自身を含む): 7749504

約数和(自身を除く): 5082224

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, 433, 440, 560, 616, 770, 866, 880, 1232, 1540, 1732, 2165, 3031, 3080, 3464, 4330, 4763, 6062, 6160, 6928, 8660, 9526, 12124, 15155, 17320, 19052, 23815, 24248, 30310, 33341, 34640, 38104, 47630, 48496, 60620, 66682, 76208, 95260, 121240, 133364, 166705, 190520, 242480, 266728, 333410, 381040, 533456, 666820, 1333640, 2667280]

約数ペア:

[(1, 2667280), (2, 1333640), (4, 666820), (5, 533456), (7, 381040), (8, 333410), (10, 266728), (11, 242480), (14, 190520), (16, 166705), (20, 133364), (22, 121240), (28, 95260), (35, 76208), (40, 66682), (44, 60620), (55, 48496), (56, 47630), (70, 38104), (77, 34640), (80, 33341), (88, 30310), (110, 24248), (112, 23815), (140, 19052), (154, 17320), (176, 15155), (220, 12124), (280, 9526), (308, 8660), (385, 6928), (433, 6160), (440, 6062), (560, 4763), (616, 4330), (770, 3464), (866, 3080), (880, 3031), (1232, 2165), (1540, 1732)]