80521728

素因数分解:

$2^9\times 3^1\times 7^1\times {\mathrm{7489}}^1$

素因数の和:7517

約数の個数: 80

約数和(自身を含む): 245192640

約数和(自身を除く): 164670912

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 64, 84, 96, 112, 128, 168, 192, 224, 256, 336, 384, 448, 512, 672, 768, 896, 1344, 1536, 1792, 2688, 3584, 5376, 7489, 10752, 14978, 22467, 29956, 44934, 52423, 59912, 89868, 104846, 119824, 157269, 179736, 209692, 239648, 314538, 359472, 419384, 479296, 629076, 718944, 838768, 958592, 1258152, 1437888, 1677536, 1917184, 2516304, 2875776, 3355072, 3834368, 5032608, 5751552, 6710144, 10065216, 11503104, 13420288, 20130432, 26840576, 40260864, 80521728]

約数ペア:

[(1, 80521728), (2, 40260864), (3, 26840576), (4, 20130432), (6, 13420288), (7, 11503104), (8, 10065216), (12, 6710144), (14, 5751552), (16, 5032608), (21, 3834368), (24, 3355072), (28, 2875776), (32, 2516304), (42, 1917184), (48, 1677536), (56, 1437888), (64, 1258152), (84, 958592), (96, 838768), (112, 718944), (128, 629076), (168, 479296), (192, 419384), (224, 359472), (256, 314538), (336, 239648), (384, 209692), (448, 179736), (512, 157269), (672, 119824), (768, 104846), (896, 89868), (1344, 59912), (1536, 52423), (1792, 44934), (2688, 29956), (3584, 22467), (5376, 14978), (7489, 10752)]