2720393984

素因数分解:

$2^8\times 7^1\times {\mathrm{11}}^1\times {\mathrm{138007}}^1$

素因数の和:138041

約数の個数: 72

約数和(自身を含む): 6770120448

約数和(自身を除く): 4049726464

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 56, 64, 77, 88, 112, 128, 154, 176, 224, 256, 308, 352, 448, 616, 704, 896, 1232, 1408, 1792, 2464, 2816, 4928, 9856, 19712, 138007, 276014, 552028, 966049, 1104056, 1518077, 1932098, 2208112, 3036154, 3864196, 4416224, 6072308, 7728392, 8832448, 10626539, 12144616, 15456784, 17664896, 21253078, 24289232, 30913568, 35329792, 42506156, 48578464, 61827136, 85012312, 97156928, 123654272, 170024624, 194313856, 247308544, 340049248, 388627712, 680098496, 1360196992, 2720393984]

約数ペア:

[(1, 2720393984), (2, 1360196992), (4, 680098496), (7, 388627712), (8, 340049248), (11, 247308544), (14, 194313856), (16, 170024624), (22, 123654272), (28, 97156928), (32, 85012312), (44, 61827136), (56, 48578464), (64, 42506156), (77, 35329792), (88, 30913568), (112, 24289232), (128, 21253078), (154, 17664896), (176, 15456784), (224, 12144616), (256, 10626539), (308, 8832448), (352, 7728392), (448, 6072308), (616, 4416224), (704, 3864196), (896, 3036154), (1232, 2208112), (1408, 1932098), (1792, 1518077), (2464, 1104056), (2816, 966049), (4928, 552028), (9856, 276014), (19712, 138007)]