1290341360

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{209471}}^1$

素因数の和:209502

約数の個数: 80

約数和(自身を含む): 3740332032

約数和(自身を除く): 2449990672

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, 3080, 6160, 209471, 418942, 837884, 1047355, 1466297, 1675768, 2094710, 2304181, 2932594, 3351536, 4189420, 4608362, 5865188, 7331485, 8378840, 9216724, 11520905, 11730376, 14662970, 16129267, 16757680, 18433448, 23041810, 23460752, 29325940, 32258534, 36866896, 46083620, 58651880, 64517068, 80646335, 92167240, 117303760, 129034136, 161292670, 184334480, 258068272, 322585340, 645170680, 1290341360]

約数ペア:

[(1, 1290341360), (2, 645170680), (4, 322585340), (5, 258068272), (7, 184334480), (8, 161292670), (10, 129034136), (11, 117303760), (14, 92167240), (16, 80646335), (20, 64517068), (22, 58651880), (28, 46083620), (35, 36866896), (40, 32258534), (44, 29325940), (55, 23460752), (56, 23041810), (70, 18433448), (77, 16757680), (80, 16129267), (88, 14662970), (110, 11730376), (112, 11520905), (140, 9216724), (154, 8378840), (176, 7331485), (220, 5865188), (280, 4608362), (308, 4189420), (385, 3351536), (440, 2932594), (560, 2304181), (616, 2094710), (770, 1675768), (880, 1466297), (1232, 1047355), (1540, 837884), (3080, 418942), (6160, 209471)]