639340128

素因数分解:

$2^5\times 3^4\times 7^1\times {\mathrm{167}}^1\times {\mathrm{211}}^1$

素因数の和:407

約数の個数: 240

約数和(自身を含む): 2172006144

約数和(自身を除く): 1532666016

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 54, 56, 63, 72, 81, 84, 96, 108, 112, 126, 144, 162, 167, 168, 189, 211, 216, 224, 252, 288, 324, 334, 336, 378, 422, 432, 501, 504, 567, 633, 648, 668, 672, 756, 844, 864, 1002, 1008, 1134, 1169, 1266, 1296, 1336, 1477, 1503, 1512, 1688, 1899, 2004, 2016, 2268, 2338, 2532, 2592, 2672, 2954, 3006, 3024, 3376, 3507, 3798, 4008, 4431, 4509, 4536, 4676, 5064, 5344, 5697, 5908, 6012, 6048, 6752, 7014, 7596, 8016, 8862, 9018, 9072, 9352, 10128, 10521, 11394, 11816, 12024, 13293, 13527, 14028, 15192, 16032, 17091, 17724, 18036, 18144, 18704, 20256, 21042, 22788, 23632, 24048, 26586, 27054, 28056, 30384, 31563, 34182, 35237, 35448, 36072, 37408, 39879, 42084, 45576, 47264, 48096, 53172, 54108, 56112, 60768, 63126, 68364, 70474, 70896, 72144, 79758, 84168, 91152, 94689, 105711, 106344, 108216, 112224, 119637, 126252, 136728, 140948, 141792, 144288, 159516, 168336, 182304, 189378, 211422, 212688, 216432, 239274, 246659, 252504, 273456, 281896, 317133, 319032, 336672, 378756, 422844, 425376, 432864, 478548, 493318, 505008, 546912, 563792, 634266, 638064, 739977, 757512, 845688, 951399, 957096, 986636, 1010016, 1127584, 1268532, 1276128, 1479954, 1515024, 1691376, 1902798, 1914192, 1973272, 2219931, 2537064, 2854197, 2959908, 3030048, 3382752, 3805596, 3828384, 3946544, 4439862, 5074128, 5708394, 5919816, 6659793, 7611192, 7893088, 8879724, 10148256, 11416788, 11839632, 13319586, 15222384, 17759448, 19979379, 22833576, 23679264, 26639172, 30444768, 35518896, 39958758, 45667152, 53278344, 71037792, 79917516, 91334304, 106556688, 159835032, 213113376, 319670064, 639340128]

約数ペア:

[(1, 639340128), (2, 319670064), (3, 213113376), (4, 159835032), (6, 106556688), (7, 91334304), (8, 79917516), (9, 71037792), (12, 53278344), (14, 45667152), (16, 39958758), (18, 35518896), (21, 30444768), (24, 26639172), (27, 23679264), (28, 22833576), (32, 19979379), (36, 17759448), (42, 15222384), (48, 13319586), (54, 11839632), (56, 11416788), (63, 10148256), (72, 8879724), (81, 7893088), (84, 7611192), (96, 6659793), (108, 5919816), (112, 5708394), (126, 5074128), (144, 4439862), (162, 3946544), (167, 3828384), (168, 3805596), (189, 3382752), (211, 3030048), (216, 2959908), (224, 2854197), (252, 2537064), (288, 2219931), (324, 1973272), (334, 1914192), (336, 1902798), (378, 1691376), (422, 1515024), (432, 1479954), (501, 1276128), (504, 1268532), (567, 1127584), (633, 1010016), (648, 986636), (668, 957096), (672, 951399), (756, 845688), (844, 757512), (864, 739977), (1002, 638064), (1008, 634266), (1134, 563792), (1169, 546912), (1266, 505008), (1296, 493318), (1336, 478548), (1477, 432864), (1503, 425376), (1512, 422844), (1688, 378756), (1899, 336672), (2004, 319032), (2016, 317133), (2268, 281896), (2338, 273456), (2532, 252504), (2592, 246659), (2672, 239274), (2954, 216432), (3006, 212688), (3024, 211422), (3376, 189378), (3507, 182304), (3798, 168336), (4008, 159516), (4431, 144288), (4509, 141792), (4536, 140948), (4676, 136728), (5064, 126252), (5344, 119637), (5697, 112224), (5908, 108216), (6012, 106344), (6048, 105711), (6752, 94689), (7014, 91152), (7596, 84168), (8016, 79758), (8862, 72144), (9018, 70896), (9072, 70474), (9352, 68364), (10128, 63126), (10521, 60768), (11394, 56112), (11816, 54108), (12024, 53172), (13293, 48096), (13527, 47264), (14028, 45576), (15192, 42084), (16032, 39879), (17091, 37408), (17724, 36072), (18036, 35448), (18144, 35237), (18704, 34182), (20256, 31563), (21042, 30384), (22788, 28056), (23632, 27054), (24048, 26586)]