642333888

素因数分解:

$2^6\times 3^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{571}}^1$

素因数の和:633

約数の個数: 280

約数和(自身を含む): 2250220544

約数和(自身を除く): 1607886656

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 31, 32, 36, 42, 48, 54, 56, 62, 63, 64, 72, 81, 84, 93, 96, 108, 112, 124, 126, 144, 162, 168, 186, 189, 192, 216, 217, 224, 248, 252, 279, 288, 324, 336, 372, 378, 432, 434, 448, 496, 504, 558, 567, 571, 576, 648, 651, 672, 744, 756, 837, 864, 868, 992, 1008, 1116, 1134, 1142, 1296, 1302, 1344, 1488, 1512, 1674, 1713, 1728, 1736, 1953, 1984, 2016, 2232, 2268, 2284, 2511, 2592, 2604, 2976, 3024, 3348, 3426, 3472, 3906, 3997, 4032, 4464, 4536, 4568, 5022, 5139, 5184, 5208, 5859, 5952, 6048, 6696, 6852, 6944, 7812, 7994, 8928, 9072, 9136, 10044, 10278, 10416, 11718, 11991, 12096, 13392, 13704, 13888, 15417, 15624, 15988, 17577, 17701, 17856, 18144, 18272, 20088, 20556, 20832, 23436, 23982, 26784, 27408, 30834, 31248, 31976, 35154, 35402, 35973, 36288, 36544, 40176, 41112, 41664, 46251, 46872, 47964, 53103, 53568, 54816, 61668, 62496, 63952, 70308, 70804, 71946, 80352, 82224, 92502, 93744, 95928, 106206, 107919, 109632, 123336, 123907, 124992, 127904, 140616, 141608, 143892, 159309, 160704, 164448, 185004, 187488, 191856, 212412, 215838, 246672, 247814, 255808, 281232, 283216, 287784, 318618, 323757, 328896, 370008, 371721, 374976, 383712, 424824, 431676, 477927, 493344, 495628, 562464, 566432, 575568, 637236, 647514, 740016, 743442, 767424, 849648, 863352, 955854, 986688, 991256, 1115163, 1124928, 1132864, 1151136, 1274472, 1295028, 1433781, 1480032, 1486884, 1699296, 1726704, 1911708, 1982512, 2230326, 2302272, 2548944, 2590056, 2867562, 2960064, 2973768, 3345489, 3398592, 3453408, 3823416, 3965024, 4460652, 5097888, 5180112, 5735124, 5947536, 6690978, 6906816, 7646832, 7930048, 8921304, 10036467, 10195776, 10360224, 11470248, 11895072, 13381956, 15293664, 17842608, 20072934, 20720448, 22940496, 23790144, 26763912, 30587328, 35685216, 40145868, 45880992, 53527824, 71370432, 80291736, 91761984, 107055648, 160583472, 214111296, 321166944, 642333888]

約数ペア:

[(1, 642333888), (2, 321166944), (3, 214111296), (4, 160583472), (6, 107055648), (7, 91761984), (8, 80291736), (9, 71370432), (12, 53527824), (14, 45880992), (16, 40145868), (18, 35685216), (21, 30587328), (24, 26763912), (27, 23790144), (28, 22940496), (31, 20720448), (32, 20072934), (36, 17842608), (42, 15293664), (48, 13381956), (54, 11895072), (56, 11470248), (62, 10360224), (63, 10195776), (64, 10036467), (72, 8921304), (81, 7930048), (84, 7646832), (93, 6906816), (96, 6690978), (108, 5947536), (112, 5735124), (124, 5180112), (126, 5097888), (144, 4460652), (162, 3965024), (168, 3823416), (186, 3453408), (189, 3398592), (192, 3345489), (216, 2973768), (217, 2960064), (224, 2867562), (248, 2590056), (252, 2548944), (279, 2302272), (288, 2230326), (324, 1982512), (336, 1911708), (372, 1726704), (378, 1699296), (432, 1486884), (434, 1480032), (448, 1433781), (496, 1295028), (504, 1274472), (558, 1151136), (567, 1132864), (571, 1124928), (576, 1115163), (648, 991256), (651, 986688), (672, 955854), (744, 863352), (756, 849648), (837, 767424), (864, 743442), (868, 740016), (992, 647514), (1008, 637236), (1116, 575568), (1134, 566432), (1142, 562464), (1296, 495628), (1302, 493344), (1344, 477927), (1488, 431676), (1512, 424824), (1674, 383712), (1713, 374976), (1728, 371721), (1736, 370008), (1953, 328896), (1984, 323757), (2016, 318618), (2232, 287784), (2268, 283216), (2284, 281232), (2511, 255808), (2592, 247814), (2604, 246672), (2976, 215838), (3024, 212412), (3348, 191856), (3426, 187488), (3472, 185004), (3906, 164448), (3997, 160704), (4032, 159309), (4464, 143892), (4536, 141608), (4568, 140616), (5022, 127904), (5139, 124992), (5184, 123907), (5208, 123336), (5859, 109632), (5952, 107919), (6048, 106206), (6696, 95928), (6852, 93744), (6944, 92502), (7812, 82224), (7994, 80352), (8928, 71946), (9072, 70804), (9136, 70308), (10044, 63952), (10278, 62496), (10416, 61668), (11718, 54816), (11991, 53568), (12096, 53103), (13392, 47964), (13704, 46872), (13888, 46251), (15417, 41664), (15624, 41112), (15988, 40176), (17577, 36544), (17701, 36288), (17856, 35973), (18144, 35402), (18272, 35154), (20088, 31976), (20556, 31248), (20832, 30834), (23436, 27408), (23982, 26784)]