256554144

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{503}}^1$

素因数の和:560

約数の個数: 288

約数和(自身を含む): 951035904

約数和(自身を除く): 694481760

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 11, 12, 14, 16, 18, 21, 22, 23, 24, 28, 32, 33, 36, 42, 44, 46, 48, 56, 63, 66, 69, 72, 77, 84, 88, 92, 96, 99, 112, 126, 132, 138, 144, 154, 161, 168, 176, 184, 198, 207, 224, 231, 252, 253, 264, 276, 288, 308, 322, 336, 352, 368, 396, 414, 462, 483, 503, 504, 506, 528, 552, 616, 644, 672, 693, 736, 759, 792, 828, 924, 966, 1006, 1008, 1012, 1056, 1104, 1232, 1288, 1386, 1449, 1509, 1518, 1584, 1656, 1771, 1848, 1932, 2012, 2016, 2024, 2208, 2277, 2464, 2576, 2772, 2898, 3018, 3036, 3168, 3312, 3521, 3542, 3696, 3864, 4024, 4048, 4527, 4554, 5152, 5313, 5533, 5544, 5796, 6036, 6072, 6624, 7042, 7084, 7392, 7728, 8048, 8096, 9054, 9108, 10563, 10626, 11066, 11088, 11569, 11592, 12072, 12144, 14084, 14168, 15456, 15939, 16096, 16599, 18108, 18216, 21126, 21252, 22132, 22176, 23138, 23184, 24144, 24288, 28168, 28336, 31689, 31878, 33198, 34707, 36216, 36432, 38731, 42252, 42504, 44264, 46276, 46368, 48288, 49797, 56336, 56672, 63378, 63756, 66396, 69414, 72432, 72864, 77462, 80983, 84504, 85008, 88528, 92552, 99594, 104121, 112672, 116193, 126756, 127259, 127512, 132792, 138828, 144864, 154924, 161966, 169008, 170016, 177056, 185104, 199188, 208242, 232386, 242949, 253512, 254518, 255024, 265584, 277656, 309848, 323932, 338016, 348579, 370208, 381777, 398376, 416484, 464772, 485898, 507024, 509036, 510048, 531168, 555312, 619696, 647864, 697158, 728847, 763554, 796752, 832968, 890813, 929544, 971796, 1014048, 1018072, 1110624, 1145331, 1239392, 1295728, 1394316, 1457694, 1527108, 1593504, 1665936, 1781626, 1859088, 1943592, 2036144, 2290662, 2591456, 2672439, 2788632, 2915388, 3054216, 3331872, 3563252, 3718176, 3887184, 4072288, 4581324, 5344878, 5577264, 5830776, 6108432, 7126504, 7774368, 8017317, 9162648, 10689756, 11154528, 11661552, 12216864, 14253008, 16034634, 18325296, 21379512, 23323104, 28506016, 32069268, 36650592, 42759024, 64138536, 85518048, 128277072, 256554144]

約数ペア:

[(1, 256554144), (2, 128277072), (3, 85518048), (4, 64138536), (6, 42759024), (7, 36650592), (8, 32069268), (9, 28506016), (11, 23323104), (12, 21379512), (14, 18325296), (16, 16034634), (18, 14253008), (21, 12216864), (22, 11661552), (23, 11154528), (24, 10689756), (28, 9162648), (32, 8017317), (33, 7774368), (36, 7126504), (42, 6108432), (44, 5830776), (46, 5577264), (48, 5344878), (56, 4581324), (63, 4072288), (66, 3887184), (69, 3718176), (72, 3563252), (77, 3331872), (84, 3054216), (88, 2915388), (92, 2788632), (96, 2672439), (99, 2591456), (112, 2290662), (126, 2036144), (132, 1943592), (138, 1859088), (144, 1781626), (154, 1665936), (161, 1593504), (168, 1527108), (176, 1457694), (184, 1394316), (198, 1295728), (207, 1239392), (224, 1145331), (231, 1110624), (252, 1018072), (253, 1014048), (264, 971796), (276, 929544), (288, 890813), (308, 832968), (322, 796752), (336, 763554), (352, 728847), (368, 697158), (396, 647864), (414, 619696), (462, 555312), (483, 531168), (503, 510048), (504, 509036), (506, 507024), (528, 485898), (552, 464772), (616, 416484), (644, 398376), (672, 381777), (693, 370208), (736, 348579), (759, 338016), (792, 323932), (828, 309848), (924, 277656), (966, 265584), (1006, 255024), (1008, 254518), (1012, 253512), (1056, 242949), (1104, 232386), (1232, 208242), (1288, 199188), (1386, 185104), (1449, 177056), (1509, 170016), (1518, 169008), (1584, 161966), (1656, 154924), (1771, 144864), (1848, 138828), (1932, 132792), (2012, 127512), (2016, 127259), (2024, 126756), (2208, 116193), (2277, 112672), (2464, 104121), (2576, 99594), (2772, 92552), (2898, 88528), (3018, 85008), (3036, 84504), (3168, 80983), (3312, 77462), (3521, 72864), (3542, 72432), (3696, 69414), (3864, 66396), (4024, 63756), (4048, 63378), (4527, 56672), (4554, 56336), (5152, 49797), (5313, 48288), (5533, 46368), (5544, 46276), (5796, 44264), (6036, 42504), (6072, 42252), (6624, 38731), (7042, 36432), (7084, 36216), (7392, 34707), (7728, 33198), (8048, 31878), (8096, 31689), (9054, 28336), (9108, 28168), (10563, 24288), (10626, 24144), (11066, 23184), (11088, 23138), (11569, 22176), (11592, 22132), (12072, 21252), (12144, 21126), (14084, 18216), (14168, 18108), (15456, 16599), (15939, 16096)]