256048128

素因数分解:

$2^{10}\times 3^6\times 7^3$

素因数の和:59

約数の個数: 308

約数和(自身を含む): 894948400

約数和(自身を除く): 638900272

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 49, 54, 56, 63, 64, 72, 81, 84, 96, 98, 108, 112, 126, 128, 144, 147, 162, 168, 189, 192, 196, 216, 224, 243, 252, 256, 288, 294, 324, 336, 343, 378, 384, 392, 432, 441, 448, 486, 504, 512, 567, 576, 588, 648, 672, 686, 729, 756, 768, 784, 864, 882, 896, 972, 1008, 1024, 1029, 1134, 1152, 1176, 1296, 1323, 1344, 1372, 1458, 1512, 1536, 1568, 1701, 1728, 1764, 1792, 1944, 2016, 2058, 2268, 2304, 2352, 2592, 2646, 2688, 2744, 2916, 3024, 3072, 3087, 3136, 3402, 3456, 3528, 3584, 3888, 3969, 4032, 4116, 4536, 4608, 4704, 5103, 5184, 5292, 5376, 5488, 5832, 6048, 6174, 6272, 6804, 6912, 7056, 7168, 7776, 7938, 8064, 8232, 9072, 9216, 9261, 9408, 10206, 10368, 10584, 10752, 10976, 11664, 11907, 12096, 12348, 12544, 13608, 13824, 14112, 15552, 15876, 16128, 16464, 18144, 18522, 18816, 20412, 20736, 21168, 21504, 21952, 23328, 23814, 24192, 24696, 25088, 27216, 27648, 27783, 28224, 31104, 31752, 32256, 32928, 35721, 36288, 37044, 37632, 40824, 41472, 42336, 43904, 46656, 47628, 48384, 49392, 50176, 54432, 55566, 56448, 62208, 63504, 64512, 65856, 71442, 72576, 74088, 75264, 81648, 82944, 83349, 84672, 87808, 93312, 95256, 96768, 98784, 108864, 111132, 112896, 124416, 127008, 131712, 142884, 145152, 148176, 150528, 163296, 166698, 169344, 175616, 186624, 190512, 193536, 197568, 217728, 222264, 225792, 248832, 250047, 254016, 263424, 285768, 290304, 296352, 326592, 333396, 338688, 351232, 373248, 381024, 395136, 435456, 444528, 451584, 500094, 508032, 526848, 571536, 580608, 592704, 653184, 666792, 677376, 746496, 762048, 790272, 870912, 889056, 1000188, 1016064, 1053696, 1143072, 1185408, 1306368, 1333584, 1354752, 1524096, 1580544, 1741824, 1778112, 2000376, 2032128, 2286144, 2370816, 2612736, 2667168, 3048192, 3161088, 3556224, 4000752, 4064256, 4572288, 4741632, 5225472, 5334336, 6096384, 7112448, 8001504, 9144576, 9483264, 10668672, 12192768, 14224896, 16003008, 18289152, 21337344, 28449792, 32006016, 36578304, 42674688, 64012032, 85349376, 128024064, 256048128]

約数ペア:

[(1, 256048128), (2, 128024064), (3, 85349376), (4, 64012032), (6, 42674688), (7, 36578304), (8, 32006016), (9, 28449792), (12, 21337344), (14, 18289152), (16, 16003008), (18, 14224896), (21, 12192768), (24, 10668672), (27, 9483264), (28, 9144576), (32, 8001504), (36, 7112448), (42, 6096384), (48, 5334336), (49, 5225472), (54, 4741632), (56, 4572288), (63, 4064256), (64, 4000752), (72, 3556224), (81, 3161088), (84, 3048192), (96, 2667168), (98, 2612736), (108, 2370816), (112, 2286144), (126, 2032128), (128, 2000376), (144, 1778112), (147, 1741824), (162, 1580544), (168, 1524096), (189, 1354752), (192, 1333584), (196, 1306368), (216, 1185408), (224, 1143072), (243, 1053696), (252, 1016064), (256, 1000188), (288, 889056), (294, 870912), (324, 790272), (336, 762048), (343, 746496), (378, 677376), (384, 666792), (392, 653184), (432, 592704), (441, 580608), (448, 571536), (486, 526848), (504, 508032), (512, 500094), (567, 451584), (576, 444528), (588, 435456), (648, 395136), (672, 381024), (686, 373248), (729, 351232), (756, 338688), (768, 333396), (784, 326592), (864, 296352), (882, 290304), (896, 285768), (972, 263424), (1008, 254016), (1024, 250047), (1029, 248832), (1134, 225792), (1152, 222264), (1176, 217728), (1296, 197568), (1323, 193536), (1344, 190512), (1372, 186624), (1458, 175616), (1512, 169344), (1536, 166698), (1568, 163296), (1701, 150528), (1728, 148176), (1764, 145152), (1792, 142884), (1944, 131712), (2016, 127008), (2058, 124416), (2268, 112896), (2304, 111132), (2352, 108864), (2592, 98784), (2646, 96768), (2688, 95256), (2744, 93312), (2916, 87808), (3024, 84672), (3072, 83349), (3087, 82944), (3136, 81648), (3402, 75264), (3456, 74088), (3528, 72576), (3584, 71442), (3888, 65856), (3969, 64512), (4032, 63504), (4116, 62208), (4536, 56448), (4608, 55566), (4704, 54432), (5103, 50176), (5184, 49392), (5292, 48384), (5376, 47628), (5488, 46656), (5832, 43904), (6048, 42336), (6174, 41472), (6272, 40824), (6804, 37632), (6912, 37044), (7056, 36288), (7168, 35721), (7776, 32928), (7938, 32256), (8064, 31752), (8232, 31104), (9072, 28224), (9216, 27783), (9261, 27648), (9408, 27216), (10206, 25088), (10368, 24696), (10584, 24192), (10752, 23814), (10976, 23328), (11664, 21952), (11907, 21504), (12096, 21168), (12348, 20736), (12544, 20412), (13608, 18816), (13824, 18522), (14112, 18144), (15552, 16464), (15876, 16128)]