1008021080

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{787}}^1$

素因数の和:921

約数の個数: 128

約数和(自身を含む): 2573544960

約数和(自身を除く): 1565523880

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 41, 44, 55, 71, 82, 88, 110, 142, 164, 205, 220, 284, 328, 355, 410, 440, 451, 568, 710, 781, 787, 820, 902, 1420, 1562, 1574, 1640, 1804, 2255, 2840, 2911, 3124, 3148, 3608, 3905, 3935, 4510, 5822, 6248, 6296, 7810, 7870, 8657, 9020, 11644, 14555, 15620, 15740, 17314, 18040, 23288, 29110, 31240, 31480, 32021, 32267, 34628, 43285, 55877, 58220, 64042, 64534, 69256, 86570, 111754, 116440, 128084, 129068, 160105, 161335, 173140, 223508, 256168, 258136, 279385, 320210, 322670, 346280, 354937, 447016, 558770, 614647, 640420, 645340, 709874, 1117540, 1229294, 1280840, 1290680, 1419748, 1774685, 2235080, 2290957, 2458588, 2839496, 3073235, 3549370, 4581914, 4917176, 6146470, 7098740, 9163828, 11454785, 12292940, 14197480, 18327656, 22909570, 24585880, 25200527, 45819140, 50401054, 91638280, 100802108, 126002635, 201604216, 252005270, 504010540, 1008021080]

約数ペア:

[(1, 1008021080), (2, 504010540), (4, 252005270), (5, 201604216), (8, 126002635), (10, 100802108), (11, 91638280), (20, 50401054), (22, 45819140), (40, 25200527), (41, 24585880), (44, 22909570), (55, 18327656), (71, 14197480), (82, 12292940), (88, 11454785), (110, 9163828), (142, 7098740), (164, 6146470), (205, 4917176), (220, 4581914), (284, 3549370), (328, 3073235), (355, 2839496), (410, 2458588), (440, 2290957), (451, 2235080), (568, 1774685), (710, 1419748), (781, 1290680), (787, 1280840), (820, 1229294), (902, 1117540), (1420, 709874), (1562, 645340), (1574, 640420), (1640, 614647), (1804, 558770), (2255, 447016), (2840, 354937), (2911, 346280), (3124, 322670), (3148, 320210), (3608, 279385), (3905, 258136), (3935, 256168), (4510, 223508), (5822, 173140), (6248, 161335), (6296, 160105), (7810, 129068), (7870, 128084), (8657, 116440), (9020, 111754), (11644, 86570), (14555, 69256), (15620, 64534), (15740, 64042), (17314, 58220), (18040, 55877), (23288, 43285), (29110, 34628), (31240, 32267), (31480, 32021)]