1256246784

素因数分解:

$2^9\times 3^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{313}}^1$

素因数の和:417

約数の個数: 240

約数和(自身を含む): 3975443472

約数和(自身を除く): 2719196688

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 48, 52, 64, 67, 72, 78, 96, 104, 117, 128, 134, 144, 156, 192, 201, 208, 234, 256, 268, 288, 312, 313, 384, 402, 416, 468, 512, 536, 576, 603, 624, 626, 768, 804, 832, 871, 936, 939, 1072, 1152, 1206, 1248, 1252, 1536, 1608, 1664, 1742, 1872, 1878, 2144, 2304, 2412, 2496, 2504, 2613, 2817, 3216, 3328, 3484, 3744, 3756, 4069, 4288, 4608, 4824, 4992, 5008, 5226, 5634, 6432, 6656, 6968, 7488, 7512, 7839, 8138, 8576, 9648, 9984, 10016, 10452, 11268, 12207, 12864, 13936, 14976, 15024, 15678, 16276, 17152, 19296, 19968, 20032, 20904, 20971, 22536, 24414, 25728, 27872, 29952, 30048, 31356, 32552, 34304, 36621, 38592, 40064, 41808, 41942, 45072, 48828, 51456, 55744, 59904, 60096, 62712, 62913, 65104, 73242, 77184, 80128, 83616, 83884, 90144, 97656, 102912, 111488, 120192, 125424, 125826, 130208, 146484, 154368, 160256, 167232, 167768, 180288, 188739, 195312, 222976, 240384, 250848, 251652, 260416, 272623, 292968, 308736, 334464, 335536, 360576, 377478, 390624, 445952, 480768, 501696, 503304, 520832, 545246, 585936, 668928, 671072, 721152, 754956, 781248, 817869, 1003392, 1006608, 1041664, 1090492, 1171872, 1337856, 1342144, 1442304, 1509912, 1562496, 1635738, 2006784, 2013216, 2083328, 2180984, 2343744, 2453607, 2684288, 3019824, 3124992, 3271476, 4013568, 4026432, 4361968, 4687488, 4907214, 5368576, 6039648, 6249984, 6542952, 8052864, 8723936, 9374976, 9814428, 10737152, 12079296, 13085904, 16105728, 17447872, 18749952, 19628856, 24158592, 26171808, 32211456, 34895744, 39257712, 48317184, 52343616, 69791488, 78515424, 96634368, 104687232, 139582976, 157030848, 209374464, 314061696, 418748928, 628123392, 1256246784]

約数ペア:

[(1, 1256246784), (2, 628123392), (3, 418748928), (4, 314061696), (6, 209374464), (8, 157030848), (9, 139582976), (12, 104687232), (13, 96634368), (16, 78515424), (18, 69791488), (24, 52343616), (26, 48317184), (32, 39257712), (36, 34895744), (39, 32211456), (48, 26171808), (52, 24158592), (64, 19628856), (67, 18749952), (72, 17447872), (78, 16105728), (96, 13085904), (104, 12079296), (117, 10737152), (128, 9814428), (134, 9374976), (144, 8723936), (156, 8052864), (192, 6542952), (201, 6249984), (208, 6039648), (234, 5368576), (256, 4907214), (268, 4687488), (288, 4361968), (312, 4026432), (313, 4013568), (384, 3271476), (402, 3124992), (416, 3019824), (468, 2684288), (512, 2453607), (536, 2343744), (576, 2180984), (603, 2083328), (624, 2013216), (626, 2006784), (768, 1635738), (804, 1562496), (832, 1509912), (871, 1442304), (936, 1342144), (939, 1337856), (1072, 1171872), (1152, 1090492), (1206, 1041664), (1248, 1006608), (1252, 1003392), (1536, 817869), (1608, 781248), (1664, 754956), (1742, 721152), (1872, 671072), (1878, 668928), (2144, 585936), (2304, 545246), (2412, 520832), (2496, 503304), (2504, 501696), (2613, 480768), (2817, 445952), (3216, 390624), (3328, 377478), (3484, 360576), (3744, 335536), (3756, 334464), (4069, 308736), (4288, 292968), (4608, 272623), (4824, 260416), (4992, 251652), (5008, 250848), (5226, 240384), (5634, 222976), (6432, 195312), (6656, 188739), (6968, 180288), (7488, 167768), (7512, 167232), (7839, 160256), (8138, 154368), (8576, 146484), (9648, 130208), (9984, 125826), (10016, 125424), (10452, 120192), (11268, 111488), (12207, 102912), (12864, 97656), (13936, 90144), (14976, 83884), (15024, 83616), (15678, 80128), (16276, 77184), (17152, 73242), (19296, 65104), (19968, 62913), (20032, 62712), (20904, 60096), (20971, 59904), (22536, 55744), (24414, 51456), (25728, 48828), (27872, 45072), (29952, 41942), (30048, 41808), (31356, 40064), (32552, 38592), (34304, 36621)]