638217216

素因数分解:

$2^{10}\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{761}}^1$

素因数の和:807

約数の個数: 264

約数和(自身を含む): 2271089184

約数和(自身を除く): 1632871968

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 16, 18, 21, 24, 26, 28, 32, 36, 39, 42, 48, 52, 56, 63, 64, 72, 78, 84, 91, 96, 104, 112, 117, 126, 128, 144, 156, 168, 182, 192, 208, 224, 234, 252, 256, 273, 288, 312, 336, 364, 384, 416, 448, 468, 504, 512, 546, 576, 624, 672, 728, 761, 768, 819, 832, 896, 936, 1008, 1024, 1092, 1152, 1248, 1344, 1456, 1522, 1536, 1638, 1664, 1792, 1872, 2016, 2184, 2283, 2304, 2496, 2688, 2912, 3044, 3072, 3276, 3328, 3584, 3744, 4032, 4368, 4566, 4608, 4992, 5327, 5376, 5824, 6088, 6552, 6656, 6849, 7168, 7488, 8064, 8736, 9132, 9216, 9893, 9984, 10654, 10752, 11648, 12176, 13104, 13312, 13698, 14976, 15981, 16128, 17472, 18264, 19786, 19968, 21308, 21504, 23296, 24352, 26208, 27396, 29679, 29952, 31962, 32256, 34944, 36528, 39572, 39936, 42616, 46592, 47943, 48704, 52416, 54792, 59358, 59904, 63924, 64512, 69251, 69888, 73056, 79144, 85232, 89037, 93184, 95886, 97408, 104832, 109584, 118716, 119808, 127848, 138502, 139776, 146112, 158288, 170464, 178074, 191772, 194816, 207753, 209664, 219168, 237432, 255696, 277004, 279552, 292224, 316576, 340928, 356148, 383544, 389632, 415506, 419328, 438336, 474864, 511392, 554008, 584448, 623259, 633152, 681856, 712296, 767088, 779264, 831012, 838656, 876672, 949728, 1022784, 1108016, 1168896, 1246518, 1266304, 1363712, 1424592, 1534176, 1662024, 1753344, 1899456, 2045568, 2216032, 2337792, 2493036, 2532608, 2727424, 2849184, 3068352, 3324048, 3506688, 3798912, 4091136, 4432064, 4986072, 5065216, 5454848, 5698368, 6136704, 6648096, 7013376, 7597824, 8182272, 8864128, 9972144, 10130432, 11396736, 12273408, 13296192, 15195648, 16364544, 17728256, 19944288, 22793472, 24546816, 26592384, 30391296, 35456512, 39888576, 45586944, 49093632, 53184768, 70913024, 79777152, 91173888, 106369536, 159554304, 212739072, 319108608, 638217216]

約数ペア:

[(1, 638217216), (2, 319108608), (3, 212739072), (4, 159554304), (6, 106369536), (7, 91173888), (8, 79777152), (9, 70913024), (12, 53184768), (13, 49093632), (14, 45586944), (16, 39888576), (18, 35456512), (21, 30391296), (24, 26592384), (26, 24546816), (28, 22793472), (32, 19944288), (36, 17728256), (39, 16364544), (42, 15195648), (48, 13296192), (52, 12273408), (56, 11396736), (63, 10130432), (64, 9972144), (72, 8864128), (78, 8182272), (84, 7597824), (91, 7013376), (96, 6648096), (104, 6136704), (112, 5698368), (117, 5454848), (126, 5065216), (128, 4986072), (144, 4432064), (156, 4091136), (168, 3798912), (182, 3506688), (192, 3324048), (208, 3068352), (224, 2849184), (234, 2727424), (252, 2532608), (256, 2493036), (273, 2337792), (288, 2216032), (312, 2045568), (336, 1899456), (364, 1753344), (384, 1662024), (416, 1534176), (448, 1424592), (468, 1363712), (504, 1266304), (512, 1246518), (546, 1168896), (576, 1108016), (624, 1022784), (672, 949728), (728, 876672), (761, 838656), (768, 831012), (819, 779264), (832, 767088), (896, 712296), (936, 681856), (1008, 633152), (1024, 623259), (1092, 584448), (1152, 554008), (1248, 511392), (1344, 474864), (1456, 438336), (1522, 419328), (1536, 415506), (1638, 389632), (1664, 383544), (1792, 356148), (1872, 340928), (2016, 316576), (2184, 292224), (2283, 279552), (2304, 277004), (2496, 255696), (2688, 237432), (2912, 219168), (3044, 209664), (3072, 207753), (3276, 194816), (3328, 191772), (3584, 178074), (3744, 170464), (4032, 158288), (4368, 146112), (4566, 139776), (4608, 138502), (4992, 127848), (5327, 119808), (5376, 118716), (5824, 109584), (6088, 104832), (6552, 97408), (6656, 95886), (6849, 93184), (7168, 89037), (7488, 85232), (8064, 79144), (8736, 73056), (9132, 69888), (9216, 69251), (9893, 64512), (9984, 63924), (10654, 59904), (10752, 59358), (11648, 54792), (12176, 52416), (13104, 48704), (13312, 47943), (13698, 46592), (14976, 42616), (15981, 39936), (16128, 39572), (17472, 36528), (18264, 34944), (19786, 32256), (19968, 31962), (21308, 29952), (21504, 29679), (23296, 27396), (24352, 26208)]