128655744

素因数分解:

$2^7\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{2081}}^1$

素因数の和:2128

約数の個数: 128

約数和(自身を含む): 407738880

約数和(自身を除く): 279083136

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 23, 24, 28, 32, 42, 46, 48, 56, 64, 69, 84, 92, 96, 112, 128, 138, 161, 168, 184, 192, 224, 276, 322, 336, 368, 384, 448, 483, 552, 644, 672, 736, 896, 966, 1104, 1288, 1344, 1472, 1932, 2081, 2208, 2576, 2688, 2944, 3864, 4162, 4416, 5152, 6243, 7728, 8324, 8832, 10304, 12486, 14567, 15456, 16648, 20608, 24972, 29134, 30912, 33296, 43701, 47863, 49944, 58268, 61824, 66592, 87402, 95726, 99888, 116536, 133184, 143589, 174804, 191452, 199776, 233072, 266368, 287178, 335041, 349608, 382904, 399552, 466144, 574356, 670082, 699216, 765808, 799104, 932288, 1005123, 1148712, 1340164, 1398432, 1531616, 1864576, 2010246, 2297424, 2680328, 2796864, 3063232, 4020492, 4594848, 5360656, 5593728, 6126464, 8040984, 9189696, 10721312, 16081968, 18379392, 21442624, 32163936, 42885248, 64327872, 128655744]

約数ペア:

[(1, 128655744), (2, 64327872), (3, 42885248), (4, 32163936), (6, 21442624), (7, 18379392), (8, 16081968), (12, 10721312), (14, 9189696), (16, 8040984), (21, 6126464), (23, 5593728), (24, 5360656), (28, 4594848), (32, 4020492), (42, 3063232), (46, 2796864), (48, 2680328), (56, 2297424), (64, 2010246), (69, 1864576), (84, 1531616), (92, 1398432), (96, 1340164), (112, 1148712), (128, 1005123), (138, 932288), (161, 799104), (168, 765808), (184, 699216), (192, 670082), (224, 574356), (276, 466144), (322, 399552), (336, 382904), (368, 349608), (384, 335041), (448, 287178), (483, 266368), (552, 233072), (644, 199776), (672, 191452), (736, 174804), (896, 143589), (966, 133184), (1104, 116536), (1288, 99888), (1344, 95726), (1472, 87402), (1932, 66592), (2081, 61824), (2208, 58268), (2576, 49944), (2688, 47863), (2944, 43701), (3864, 33296), (4162, 30912), (4416, 29134), (5152, 24972), (6243, 20608), (7728, 16648), (8324, 15456), (8832, 14567), (10304, 12486)]