640350144

素因数分解:

$2^6\times 3^3\times 7^1\times {\mathrm{167}}^1\times {\mathrm{317}}^1$

素因数の和:512

約数の個数: 224

約数和(自身を含む): 2171151360

約数和(自身を除く): 1530801216

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, 64, 72, 84, 96, 108, 112, 126, 144, 167, 168, 189, 192, 216, 224, 252, 288, 317, 334, 336, 378, 432, 448, 501, 504, 576, 634, 668, 672, 756, 864, 951, 1002, 1008, 1169, 1268, 1336, 1344, 1503, 1512, 1728, 1902, 2004, 2016, 2219, 2338, 2536, 2672, 2853, 3006, 3024, 3507, 3804, 4008, 4032, 4438, 4509, 4676, 5072, 5344, 5706, 6012, 6048, 6657, 7014, 7608, 8016, 8559, 8876, 9018, 9352, 10144, 10521, 10688, 11412, 12024, 12096, 13314, 14028, 15216, 16032, 17118, 17752, 18036, 18704, 19971, 20288, 21042, 22824, 24048, 26628, 28056, 30432, 31563, 32064, 34236, 35504, 36072, 37408, 39942, 42084, 45648, 48096, 52939, 53256, 56112, 59913, 60864, 63126, 68472, 71008, 72144, 74816, 79884, 84168, 91296, 96192, 105878, 106512, 112224, 119826, 126252, 136944, 142016, 144288, 158817, 159768, 168336, 182592, 211756, 213024, 224448, 239652, 252504, 273888, 288576, 317634, 319536, 336672, 370573, 423512, 426048, 476451, 479304, 505008, 547776, 635268, 639072, 673344, 741146, 847024, 952902, 958608, 1010016, 1111719, 1270536, 1278144, 1429353, 1482292, 1694048, 1905804, 1917216, 2020032, 2223438, 2541072, 2858706, 2964584, 3335157, 3388096, 3811608, 3834432, 4446876, 5082144, 5717412, 5929168, 6670314, 7623216, 8893752, 10005471, 10164288, 11434824, 11858336, 13340628, 15246432, 17787504, 20010942, 22869648, 23716672, 26681256, 30492864, 35575008, 40021884, 45739296, 53362512, 71150016, 80043768, 91478592, 106725024, 160087536, 213450048, 320175072, 640350144]

約数ペア:

[(1, 640350144), (2, 320175072), (3, 213450048), (4, 160087536), (6, 106725024), (7, 91478592), (8, 80043768), (9, 71150016), (12, 53362512), (14, 45739296), (16, 40021884), (18, 35575008), (21, 30492864), (24, 26681256), (27, 23716672), (28, 22869648), (32, 20010942), (36, 17787504), (42, 15246432), (48, 13340628), (54, 11858336), (56, 11434824), (63, 10164288), (64, 10005471), (72, 8893752), (84, 7623216), (96, 6670314), (108, 5929168), (112, 5717412), (126, 5082144), (144, 4446876), (167, 3834432), (168, 3811608), (189, 3388096), (192, 3335157), (216, 2964584), (224, 2858706), (252, 2541072), (288, 2223438), (317, 2020032), (334, 1917216), (336, 1905804), (378, 1694048), (432, 1482292), (448, 1429353), (501, 1278144), (504, 1270536), (576, 1111719), (634, 1010016), (668, 958608), (672, 952902), (756, 847024), (864, 741146), (951, 673344), (1002, 639072), (1008, 635268), (1169, 547776), (1268, 505008), (1336, 479304), (1344, 476451), (1503, 426048), (1512, 423512), (1728, 370573), (1902, 336672), (2004, 319536), (2016, 317634), (2219, 288576), (2338, 273888), (2536, 252504), (2672, 239652), (2853, 224448), (3006, 213024), (3024, 211756), (3507, 182592), (3804, 168336), (4008, 159768), (4032, 158817), (4438, 144288), (4509, 142016), (4676, 136944), (5072, 126252), (5344, 119826), (5706, 112224), (6012, 106512), (6048, 105878), (6657, 96192), (7014, 91296), (7608, 84168), (8016, 79884), (8559, 74816), (8876, 72144), (9018, 71008), (9352, 68472), (10144, 63126), (10521, 60864), (10688, 59913), (11412, 56112), (12024, 53256), (12096, 52939), (13314, 48096), (14028, 45648), (15216, 42084), (16032, 39942), (17118, 37408), (17752, 36072), (18036, 35504), (18704, 34236), (19971, 32064), (20288, 31563), (21042, 30432), (22824, 28056), (24048, 26628)]