81558048

素因数分解:

$2^5\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{457}}^1$

素因数の和:507

約数の個数: 144

約数和(自身を含む): 253453536

約数和(自身を除く): 171895488

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 13, 16, 22, 24, 26, 32, 33, 39, 44, 48, 52, 66, 78, 88, 96, 104, 132, 143, 156, 169, 176, 208, 264, 286, 312, 338, 352, 416, 429, 457, 507, 528, 572, 624, 676, 858, 914, 1014, 1056, 1144, 1248, 1352, 1371, 1716, 1828, 1859, 2028, 2288, 2704, 2742, 3432, 3656, 3718, 4056, 4576, 5027, 5408, 5484, 5577, 5941, 6864, 7312, 7436, 8112, 10054, 10968, 11154, 11882, 13728, 14624, 14872, 15081, 16224, 17823, 20108, 21936, 22308, 23764, 29744, 30162, 35646, 40216, 43872, 44616, 47528, 59488, 60324, 65351, 71292, 77233, 80432, 89232, 95056, 120648, 130702, 142584, 154466, 160864, 178464, 190112, 196053, 231699, 241296, 261404, 285168, 308932, 392106, 463398, 482592, 522808, 570336, 617864, 784212, 849563, 926796, 1045616, 1235728, 1568424, 1699126, 1853592, 2091232, 2471456, 2548689, 3136848, 3398252, 3707184, 5097378, 6273696, 6796504, 7414368, 10194756, 13593008, 20389512, 27186016, 40779024, 81558048]

約数ペア:

[(1, 81558048), (2, 40779024), (3, 27186016), (4, 20389512), (6, 13593008), (8, 10194756), (11, 7414368), (12, 6796504), (13, 6273696), (16, 5097378), (22, 3707184), (24, 3398252), (26, 3136848), (32, 2548689), (33, 2471456), (39, 2091232), (44, 1853592), (48, 1699126), (52, 1568424), (66, 1235728), (78, 1045616), (88, 926796), (96, 849563), (104, 784212), (132, 617864), (143, 570336), (156, 522808), (169, 482592), (176, 463398), (208, 392106), (264, 308932), (286, 285168), (312, 261404), (338, 241296), (352, 231699), (416, 196053), (429, 190112), (457, 178464), (507, 160864), (528, 154466), (572, 142584), (624, 130702), (676, 120648), (858, 95056), (914, 89232), (1014, 80432), (1056, 77233), (1144, 71292), (1248, 65351), (1352, 60324), (1371, 59488), (1716, 47528), (1828, 44616), (1859, 43872), (2028, 40216), (2288, 35646), (2704, 30162), (2742, 29744), (3432, 23764), (3656, 22308), (3718, 21936), (4056, 20108), (4576, 17823), (5027, 16224), (5408, 15081), (5484, 14872), (5577, 14624), (5941, 13728), (6864, 11882), (7312, 11154), (7436, 10968), (8112, 10054)]