678985216

素因数分解:

$2^9\times 7^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{59}}^1$

素因数の和:129

約数の個数: 240

約数和(自身を含む): 1797206400

約数和(自身を除く): 1118221184

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 19, 26, 28, 32, 38, 52, 56, 59, 64, 76, 91, 104, 112, 118, 128, 133, 152, 169, 182, 208, 224, 236, 247, 256, 266, 304, 338, 364, 413, 416, 448, 472, 494, 512, 532, 608, 676, 728, 767, 826, 832, 896, 944, 988, 1064, 1121, 1183, 1216, 1352, 1456, 1534, 1652, 1664, 1729, 1792, 1888, 1976, 2128, 2242, 2366, 2432, 2704, 2912, 3068, 3211, 3304, 3328, 3458, 3584, 3776, 3952, 4256, 4484, 4732, 4864, 5369, 5408, 5824, 6136, 6422, 6608, 6656, 6916, 7552, 7847, 7904, 8512, 8968, 9464, 9728, 9971, 10738, 10816, 11648, 12272, 12844, 13216, 13832, 14573, 15104, 15694, 15808, 17024, 17936, 18928, 19942, 21476, 21632, 22477, 23296, 24544, 25688, 26432, 27664, 29146, 30208, 31388, 31616, 34048, 35872, 37856, 39884, 42952, 43264, 44954, 46592, 49088, 51376, 52864, 55328, 58292, 62776, 63232, 68096, 69797, 71744, 75712, 79768, 85904, 86528, 89908, 98176, 102011, 102752, 105728, 110656, 116584, 125552, 126464, 139594, 143488, 151424, 159536, 171808, 179816, 189449, 196352, 204022, 205504, 211456, 221312, 233168, 251104, 279188, 286976, 302848, 319072, 343616, 359632, 378898, 392704, 408044, 411008, 442624, 466336, 502208, 558376, 573952, 605696, 638144, 687232, 719264, 757796, 816088, 822016, 885248, 932672, 1004416, 1116752, 1276288, 1326143, 1374464, 1438528, 1515592, 1632176, 1644032, 1865344, 2008832, 2233504, 2552576, 2652286, 2748928, 2877056, 3031184, 3264352, 3730688, 4017664, 4467008, 5105152, 5304572, 5754112, 6062368, 6528704, 7461376, 8934016, 10609144, 11508224, 12124736, 13057408, 17868032, 21218288, 24249472, 26114816, 35736064, 42436576, 48498944, 52229632, 84873152, 96997888, 169746304, 339492608, 678985216]

約数ペア:

[(1, 678985216), (2, 339492608), (4, 169746304), (7, 96997888), (8, 84873152), (13, 52229632), (14, 48498944), (16, 42436576), (19, 35736064), (26, 26114816), (28, 24249472), (32, 21218288), (38, 17868032), (52, 13057408), (56, 12124736), (59, 11508224), (64, 10609144), (76, 8934016), (91, 7461376), (104, 6528704), (112, 6062368), (118, 5754112), (128, 5304572), (133, 5105152), (152, 4467008), (169, 4017664), (182, 3730688), (208, 3264352), (224, 3031184), (236, 2877056), (247, 2748928), (256, 2652286), (266, 2552576), (304, 2233504), (338, 2008832), (364, 1865344), (413, 1644032), (416, 1632176), (448, 1515592), (472, 1438528), (494, 1374464), (512, 1326143), (532, 1276288), (608, 1116752), (676, 1004416), (728, 932672), (767, 885248), (826, 822016), (832, 816088), (896, 757796), (944, 719264), (988, 687232), (1064, 638144), (1121, 605696), (1183, 573952), (1216, 558376), (1352, 502208), (1456, 466336), (1534, 442624), (1652, 411008), (1664, 408044), (1729, 392704), (1792, 378898), (1888, 359632), (1976, 343616), (2128, 319072), (2242, 302848), (2366, 286976), (2432, 279188), (2704, 251104), (2912, 233168), (3068, 221312), (3211, 211456), (3304, 205504), (3328, 204022), (3458, 196352), (3584, 189449), (3776, 179816), (3952, 171808), (4256, 159536), (4484, 151424), (4732, 143488), (4864, 139594), (5369, 126464), (5408, 125552), (5824, 116584), (6136, 110656), (6422, 105728), (6608, 102752), (6656, 102011), (6916, 98176), (7552, 89908), (7847, 86528), (7904, 85904), (8512, 79768), (8968, 75712), (9464, 71744), (9728, 69797), (9971, 68096), (10738, 63232), (10816, 62776), (11648, 58292), (12272, 55328), (12844, 52864), (13216, 51376), (13832, 49088), (14573, 46592), (15104, 44954), (15694, 43264), (15808, 42952), (17024, 39884), (17936, 37856), (18928, 35872), (19942, 34048), (21476, 31616), (21632, 31388), (22477, 30208), (23296, 29146), (24544, 27664), (25688, 26432)]