640131613440

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{658897}}^1$

素因数の和:658955

約数の個数: 288

約数和(自身を含む): 2327248820736

約数和(自身を除く): 1687117207296

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 23, 24, 30, 32, 33, 40, 44, 46, 48, 55, 60, 64, 66, 69, 80, 88, 92, 96, 110, 115, 120, 128, 132, 138, 160, 165, 176, 184, 192, 220, 230, 240, 253, 256, 264, 276, 320, 330, 345, 352, 368, 384, 440, 460, 480, 506, 528, 552, 640, 660, 690, 704, 736, 759, 768, 880, 920, 960, 1012, 1056, 1104, 1265, 1280, 1320, 1380, 1408, 1472, 1518, 1760, 1840, 1920, 2024, 2112, 2208, 2530, 2640, 2760, 2816, 2944, 3036, 3520, 3680, 3795, 3840, 4048, 4224, 4416, 5060, 5280, 5520, 5888, 6072, 7040, 7360, 7590, 8096, 8448, 8832, 10120, 10560, 11040, 12144, 14080, 14720, 15180, 16192, 17664, 20240, 21120, 22080, 24288, 29440, 30360, 32384, 40480, 42240, 44160, 48576, 60720, 64768, 80960, 88320, 97152, 121440, 161920, 194304, 242880, 323840, 485760, 658897, 971520, 1317794, 1976691, 2635588, 3294485, 3953382, 5271176, 6588970, 7247867, 7906764, 9883455, 10542352, 13177940, 14495734, 15154631, 15813528, 19766910, 21084704, 21743601, 26355880, 28991468, 30309262, 31627056, 36239335, 39533820, 42169408, 43487202, 45463893, 52711760, 57982936, 60618524, 63254112, 72478670, 75773155, 79067640, 84338816, 86974404, 90927786, 105423520, 108718005, 115965872, 121237048, 126508224, 144957340, 151546310, 158135280, 166700941, 168677632, 173948808, 181855572, 210847040, 217436010, 227319465, 231931744, 242474096, 253016448, 289914680, 303092620, 316270560, 333401882, 347897616, 363711144, 421694080, 434872020, 454638930, 463863488, 484948192, 500102823, 506032896, 579829360, 606185240, 632541120, 666803764, 695795232, 727422288, 833504705, 843388160, 869744040, 909277860, 927726976, 969896384, 1000205646, 1159658720, 1212370480, 1265082240, 1333607528, 1391590464, 1454844576, 1667009410, 1739488080, 1818555720, 1855453952, 1939792768, 2000411292, 2319317440, 2424740960, 2500514115, 2530164480, 2667215056, 2783180928, 2909689152, 3334018820, 3478976160, 3637111440, 3879585536, 4000822584, 4638634880, 4849481920, 5001028230, 5334430112, 5566361856, 5819378304, 6668037640, 6957952320, 7274222880, 8001645168, 9277269760, 9698963840, 10002056460, 10668860224, 11638756608, 13336075280, 13915904640, 14548445760, 16003290336, 19397927680, 20004112920, 21337720448, 26672150560, 27831809280, 29096891520, 32006580672, 40008225840, 42675440896, 53344301120, 58193783040, 64013161344, 80016451680, 106688602240, 128026322688, 160032903360, 213377204480, 320065806720, 640131613440]

約数ペア:

[(1, 640131613440), (2, 320065806720), (3, 213377204480), (4, 160032903360), (5, 128026322688), (6, 106688602240), (8, 80016451680), (10, 64013161344), (11, 58193783040), (12, 53344301120), (15, 42675440896), (16, 40008225840), (20, 32006580672), (22, 29096891520), (23, 27831809280), (24, 26672150560), (30, 21337720448), (32, 20004112920), (33, 19397927680), (40, 16003290336), (44, 14548445760), (46, 13915904640), (48, 13336075280), (55, 11638756608), (60, 10668860224), (64, 10002056460), (66, 9698963840), (69, 9277269760), (80, 8001645168), (88, 7274222880), (92, 6957952320), (96, 6668037640), (110, 5819378304), (115, 5566361856), (120, 5334430112), (128, 5001028230), (132, 4849481920), (138, 4638634880), (160, 4000822584), (165, 3879585536), (176, 3637111440), (184, 3478976160), (192, 3334018820), (220, 2909689152), (230, 2783180928), (240, 2667215056), (253, 2530164480), (256, 2500514115), (264, 2424740960), (276, 2319317440), (320, 2000411292), (330, 1939792768), (345, 1855453952), (352, 1818555720), (368, 1739488080), (384, 1667009410), (440, 1454844576), (460, 1391590464), (480, 1333607528), (506, 1265082240), (528, 1212370480), (552, 1159658720), (640, 1000205646), (660, 969896384), (690, 927726976), (704, 909277860), (736, 869744040), (759, 843388160), (768, 833504705), (880, 727422288), (920, 695795232), (960, 666803764), (1012, 632541120), (1056, 606185240), (1104, 579829360), (1265, 506032896), (1280, 500102823), (1320, 484948192), (1380, 463863488), (1408, 454638930), (1472, 434872020), (1518, 421694080), (1760, 363711144), (1840, 347897616), (1920, 333401882), (2024, 316270560), (2112, 303092620), (2208, 289914680), (2530, 253016448), (2640, 242474096), (2760, 231931744), (2816, 227319465), (2944, 217436010), (3036, 210847040), (3520, 181855572), (3680, 173948808), (3795, 168677632), (3840, 166700941), (4048, 158135280), (4224, 151546310), (4416, 144957340), (5060, 126508224), (5280, 121237048), (5520, 115965872), (5888, 108718005), (6072, 105423520), (7040, 90927786), (7360, 86974404), (7590, 84338816), (8096, 79067640), (8448, 75773155), (8832, 72478670), (10120, 63254112), (10560, 60618524), (11040, 57982936), (12144, 52711760), (14080, 45463893), (14720, 43487202), (15180, 42169408), (16192, 39533820), (17664, 36239335), (20240, 31627056), (21120, 30309262), (22080, 28991468), (24288, 26355880), (29440, 21743601), (30360, 21084704), (32384, 19766910), (40480, 15813528), (42240, 15154631), (44160, 14495734), (48576, 13177940), (60720, 10542352), (64768, 9883455), (80960, 7906764), (88320, 7247867), (97152, 6588970), (121440, 5271176), (161920, 3953382), (194304, 3294485), (242880, 2635588), (323840, 1976691), (485760, 1317794), (658897, 971520)]