81630864

素因数分解:

$2^4\times 3^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{503}}^1$

素因数の和:554

約数の個数: 180

約数和(自身を含む): 277857216

約数和(自身を除く): 196226352

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 23, 24, 28, 36, 42, 46, 48, 49, 56, 63, 69, 72, 84, 92, 98, 112, 126, 138, 144, 147, 161, 168, 184, 196, 207, 252, 276, 294, 322, 336, 368, 392, 414, 441, 483, 503, 504, 552, 588, 644, 784, 828, 882, 966, 1006, 1008, 1104, 1127, 1176, 1288, 1449, 1509, 1656, 1764, 1932, 2012, 2254, 2352, 2576, 2898, 3018, 3312, 3381, 3521, 3528, 3864, 4024, 4508, 4527, 5796, 6036, 6762, 7042, 7056, 7728, 8048, 9016, 9054, 10143, 10563, 11569, 11592, 12072, 13524, 14084, 18032, 18108, 20286, 21126, 23138, 23184, 24144, 24647, 27048, 28168, 31689, 34707, 36216, 40572, 42252, 46276, 49294, 54096, 56336, 63378, 69414, 72432, 73941, 80983, 81144, 84504, 92552, 98588, 104121, 126756, 138828, 147882, 161966, 162288, 169008, 185104, 197176, 208242, 221823, 242949, 253512, 277656, 295764, 323932, 394352, 416484, 443646, 485898, 507024, 555312, 566881, 591528, 647864, 728847, 832968, 887292, 971796, 1133762, 1183056, 1295728, 1457694, 1665936, 1700643, 1774584, 1943592, 2267524, 2915388, 3401286, 3549168, 3887184, 4535048, 5101929, 5830776, 6802572, 9070096, 10203858, 11661552, 13605144, 20407716, 27210288, 40815432, 81630864]

約数ペア:

[(1, 81630864), (2, 40815432), (3, 27210288), (4, 20407716), (6, 13605144), (7, 11661552), (8, 10203858), (9, 9070096), (12, 6802572), (14, 5830776), (16, 5101929), (18, 4535048), (21, 3887184), (23, 3549168), (24, 3401286), (28, 2915388), (36, 2267524), (42, 1943592), (46, 1774584), (48, 1700643), (49, 1665936), (56, 1457694), (63, 1295728), (69, 1183056), (72, 1133762), (84, 971796), (92, 887292), (98, 832968), (112, 728847), (126, 647864), (138, 591528), (144, 566881), (147, 555312), (161, 507024), (168, 485898), (184, 443646), (196, 416484), (207, 394352), (252, 323932), (276, 295764), (294, 277656), (322, 253512), (336, 242949), (368, 221823), (392, 208242), (414, 197176), (441, 185104), (483, 169008), (503, 162288), (504, 161966), (552, 147882), (588, 138828), (644, 126756), (784, 104121), (828, 98588), (882, 92552), (966, 84504), (1006, 81144), (1008, 80983), (1104, 73941), (1127, 72432), (1176, 69414), (1288, 63378), (1449, 56336), (1509, 54096), (1656, 49294), (1764, 46276), (1932, 42252), (2012, 40572), (2254, 36216), (2352, 34707), (2576, 31689), (2898, 28168), (3018, 27048), (3312, 24647), (3381, 24144), (3521, 23184), (3528, 23138), (3864, 21126), (4024, 20286), (4508, 18108), (4527, 18032), (5796, 14084), (6036, 13524), (6762, 12072), (7042, 11592), (7056, 11569), (7728, 10563), (8048, 10143), (9016, 9054)]