1256121216

素因数分解:

$2^7\times 3^3\times 7^1\times {\mathrm{137}}^1\times {\mathrm{379}}^1$

素因数の和:546

約数の個数: 256

約数和(自身を含む): 4279104000

約数和(自身を除く): 3022982784

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 54, 56, 63, 64, 72, 84, 96, 108, 112, 126, 128, 137, 144, 168, 189, 192, 216, 224, 252, 274, 288, 336, 378, 379, 384, 411, 432, 448, 504, 548, 576, 672, 756, 758, 822, 864, 896, 959, 1008, 1096, 1137, 1152, 1233, 1344, 1512, 1516, 1644, 1728, 1918, 2016, 2192, 2274, 2466, 2653, 2688, 2877, 3024, 3032, 3288, 3411, 3456, 3699, 3836, 4032, 4384, 4548, 4932, 5306, 5754, 6048, 6064, 6576, 6822, 7398, 7672, 7959, 8064, 8631, 8768, 9096, 9864, 10233, 10612, 11508, 12096, 12128, 13152, 13644, 14796, 15344, 15918, 17262, 17536, 18192, 19728, 20466, 21224, 23016, 23877, 24192, 24256, 25893, 26304, 27288, 29592, 30688, 31836, 34524, 36384, 39456, 40932, 42448, 46032, 47754, 48512, 51786, 51923, 52608, 54576, 59184, 61376, 63672, 69048, 71631, 72768, 78912, 81864, 84896, 92064, 95508, 103572, 103846, 109152, 118368, 122752, 127344, 138096, 143262, 145536, 155769, 157824, 163728, 169792, 184128, 191016, 207144, 207692, 218304, 236736, 254688, 276192, 286524, 311538, 327456, 339584, 363461, 368256, 382032, 414288, 415384, 436608, 467307, 473472, 509376, 552384, 573048, 623076, 654912, 726922, 764064, 828576, 830768, 934614, 1018752, 1090383, 1104768, 1146096, 1246152, 1309824, 1401921, 1453844, 1528128, 1657152, 1661536, 1869228, 2180766, 2292192, 2492304, 2803842, 2907688, 3056256, 3271149, 3314304, 3323072, 3738456, 4361532, 4584384, 4984608, 5607684, 5815376, 6542298, 6646144, 7476912, 8723064, 9168768, 9813447, 9969216, 11215368, 11630752, 13084596, 14953824, 17446128, 19626894, 19938432, 22430736, 23261504, 26169192, 29907648, 34892256, 39253788, 44861472, 46523008, 52338384, 59815296, 69784512, 78507576, 89722944, 104676768, 139569024, 157015152, 179445888, 209353536, 314030304, 418707072, 628060608, 1256121216]

約数ペア:

[(1, 1256121216), (2, 628060608), (3, 418707072), (4, 314030304), (6, 209353536), (7, 179445888), (8, 157015152), (9, 139569024), (12, 104676768), (14, 89722944), (16, 78507576), (18, 69784512), (21, 59815296), (24, 52338384), (27, 46523008), (28, 44861472), (32, 39253788), (36, 34892256), (42, 29907648), (48, 26169192), (54, 23261504), (56, 22430736), (63, 19938432), (64, 19626894), (72, 17446128), (84, 14953824), (96, 13084596), (108, 11630752), (112, 11215368), (126, 9969216), (128, 9813447), (137, 9168768), (144, 8723064), (168, 7476912), (189, 6646144), (192, 6542298), (216, 5815376), (224, 5607684), (252, 4984608), (274, 4584384), (288, 4361532), (336, 3738456), (378, 3323072), (379, 3314304), (384, 3271149), (411, 3056256), (432, 2907688), (448, 2803842), (504, 2492304), (548, 2292192), (576, 2180766), (672, 1869228), (756, 1661536), (758, 1657152), (822, 1528128), (864, 1453844), (896, 1401921), (959, 1309824), (1008, 1246152), (1096, 1146096), (1137, 1104768), (1152, 1090383), (1233, 1018752), (1344, 934614), (1512, 830768), (1516, 828576), (1644, 764064), (1728, 726922), (1918, 654912), (2016, 623076), (2192, 573048), (2274, 552384), (2466, 509376), (2653, 473472), (2688, 467307), (2877, 436608), (3024, 415384), (3032, 414288), (3288, 382032), (3411, 368256), (3456, 363461), (3699, 339584), (3836, 327456), (4032, 311538), (4384, 286524), (4548, 276192), (4932, 254688), (5306, 236736), (5754, 218304), (6048, 207692), (6064, 207144), (6576, 191016), (6822, 184128), (7398, 169792), (7672, 163728), (7959, 157824), (8064, 155769), (8631, 145536), (8768, 143262), (9096, 138096), (9864, 127344), (10233, 122752), (10612, 118368), (11508, 109152), (12096, 103846), (12128, 103572), (13152, 95508), (13644, 92064), (14796, 84896), (15344, 81864), (15918, 78912), (17262, 72768), (17536, 71631), (18192, 69048), (19728, 63672), (20466, 61376), (21224, 59184), (23016, 54576), (23877, 52608), (24192, 51923), (24256, 51786), (25893, 48512), (26304, 47754), (27288, 46032), (29592, 42448), (30688, 40932), (31836, 39456), (34524, 36384)]