256553136

素因数分解:

$2^4\times 3^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{1973}}^1$

素因数の和:2040

約数の個数: 160

約数和(自身を含む): 861611520

約数和(自身を除く): 605058384

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 36, 42, 43, 48, 54, 56, 63, 72, 84, 86, 108, 112, 126, 129, 144, 168, 172, 189, 216, 252, 258, 301, 336, 344, 378, 387, 432, 504, 516, 602, 688, 756, 774, 903, 1008, 1032, 1161, 1204, 1512, 1548, 1806, 1973, 2064, 2322, 2408, 2709, 3024, 3096, 3612, 3946, 4644, 4816, 5418, 5919, 6192, 7224, 7892, 8127, 9288, 10836, 11838, 13811, 14448, 15784, 16254, 17757, 18576, 21672, 23676, 27622, 31568, 32508, 35514, 41433, 43344, 47352, 53271, 55244, 65016, 71028, 82866, 84839, 94704, 106542, 110488, 124299, 130032, 142056, 165732, 169678, 213084, 220976, 248598, 254517, 284112, 331464, 339356, 372897, 426168, 497196, 509034, 593873, 662928, 678712, 745794, 763551, 852336, 994392, 1018068, 1187746, 1357424, 1491588, 1527102, 1781619, 1988784, 2036136, 2290653, 2375492, 2983176, 3054204, 3563238, 4072272, 4581306, 4750984, 5344857, 5966352, 6108408, 7126476, 9162612, 9501968, 10689714, 12216816, 14252952, 16034571, 18325224, 21379428, 28505904, 32069142, 36650448, 42758856, 64138284, 85517712, 128276568, 256553136]

約数ペア:

[(1, 256553136), (2, 128276568), (3, 85517712), (4, 64138284), (6, 42758856), (7, 36650448), (8, 32069142), (9, 28505904), (12, 21379428), (14, 18325224), (16, 16034571), (18, 14252952), (21, 12216816), (24, 10689714), (27, 9501968), (28, 9162612), (36, 7126476), (42, 6108408), (43, 5966352), (48, 5344857), (54, 4750984), (56, 4581306), (63, 4072272), (72, 3563238), (84, 3054204), (86, 2983176), (108, 2375492), (112, 2290653), (126, 2036136), (129, 1988784), (144, 1781619), (168, 1527102), (172, 1491588), (189, 1357424), (216, 1187746), (252, 1018068), (258, 994392), (301, 852336), (336, 763551), (344, 745794), (378, 678712), (387, 662928), (432, 593873), (504, 509034), (516, 497196), (602, 426168), (688, 372897), (756, 339356), (774, 331464), (903, 284112), (1008, 254517), (1032, 248598), (1161, 220976), (1204, 213084), (1512, 169678), (1548, 165732), (1806, 142056), (1973, 130032), (2064, 124299), (2322, 110488), (2408, 106542), (2709, 94704), (3024, 84839), (3096, 82866), (3612, 71028), (3946, 65016), (4644, 55244), (4816, 53271), (5418, 47352), (5919, 43344), (6192, 41433), (7224, 35514), (7892, 32508), (8127, 31568), (9288, 27622), (10836, 23676), (11838, 21672), (13811, 18576), (14448, 17757), (15784, 16254)]