80215352

素因数分解:

$2^3\times 7^3\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:122

約数の個数: 128

約数和(自身を含む): 193536000

約数和(自身を除く): 113320648

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 31, 41, 46, 49, 56, 62, 82, 92, 98, 124, 161, 164, 184, 196, 217, 248, 287, 322, 328, 343, 392, 434, 574, 644, 686, 713, 868, 943, 1127, 1148, 1271, 1288, 1372, 1426, 1519, 1736, 1886, 2009, 2254, 2296, 2542, 2744, 2852, 3038, 3772, 4018, 4508, 4991, 5084, 5704, 6076, 6601, 7544, 7889, 8036, 8897, 9016, 9982, 10168, 10633, 12152, 13202, 14063, 15778, 16072, 17794, 19964, 21266, 26404, 28126, 29233, 31556, 34937, 35588, 39928, 42532, 46207, 52808, 56252, 58466, 62279, 63112, 69874, 71176, 85064, 92414, 112504, 116932, 124558, 139748, 184828, 204631, 233864, 244559, 249116, 279496, 323449, 369656, 409262, 435953, 489118, 498232, 646898, 818524, 871906, 978236, 1293796, 1432417, 1637048, 1743812, 1956472, 2587592, 2864834, 3487624, 5729668, 10026919, 11459336, 20053838, 40107676, 80215352]

約数ペア:

[(1, 80215352), (2, 40107676), (4, 20053838), (7, 11459336), (8, 10026919), (14, 5729668), (23, 3487624), (28, 2864834), (31, 2587592), (41, 1956472), (46, 1743812), (49, 1637048), (56, 1432417), (62, 1293796), (82, 978236), (92, 871906), (98, 818524), (124, 646898), (161, 498232), (164, 489118), (184, 435953), (196, 409262), (217, 369656), (248, 323449), (287, 279496), (322, 249116), (328, 244559), (343, 233864), (392, 204631), (434, 184828), (574, 139748), (644, 124558), (686, 116932), (713, 112504), (868, 92414), (943, 85064), (1127, 71176), (1148, 69874), (1271, 63112), (1288, 62279), (1372, 58466), (1426, 56252), (1519, 52808), (1736, 46207), (1886, 42532), (2009, 39928), (2254, 35588), (2296, 34937), (2542, 31556), (2744, 29233), (2852, 28126), (3038, 26404), (3772, 21266), (4018, 19964), (4508, 17794), (4991, 16072), (5084, 15778), (5704, 14063), (6076, 13202), (6601, 12152), (7544, 10633), (7889, 10168), (8036, 9982), (8897, 9016)]