1333640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{433}}^1$

素因数の和:462

約数の個数: 64

約数和(自身を含む): 3749760

約数和(自身を除く): 2416120

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 433, 440, 616, 770, 866, 1540, 1732, 2165, 3031, 3080, 3464, 4330, 4763, 6062, 8660, 9526, 12124, 15155, 17320, 19052, 23815, 24248, 30310, 33341, 38104, 47630, 60620, 66682, 95260, 121240, 133364, 166705, 190520, 266728, 333410, 666820, 1333640]

約数ペア:

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