661605120

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{227}}^1$

素因数の和:288

約数の個数: 432

約数和(自身を含む): 2617235712

約数和(自身を除く): 1955630592

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 23, 24, 30, 32, 33, 36, 40, 44, 45, 46, 48, 55, 60, 64, 66, 69, 72, 80, 88, 90, 92, 96, 99, 110, 115, 120, 128, 132, 138, 144, 160, 165, 176, 180, 184, 192, 198, 207, 220, 227, 230, 240, 253, 256, 264, 276, 288, 320, 330, 345, 352, 360, 368, 384, 396, 414, 440, 454, 460, 480, 495, 506, 528, 552, 576, 640, 660, 681, 690, 704, 720, 736, 759, 768, 792, 828, 880, 908, 920, 960, 990, 1012, 1035, 1056, 1104, 1135, 1152, 1265, 1280, 1320, 1362, 1380, 1408, 1440, 1472, 1518, 1584, 1656, 1760, 1816, 1840, 1920, 1980, 2024, 2043, 2070, 2112, 2208, 2270, 2277, 2304, 2497, 2530, 2640, 2724, 2760, 2816, 2880, 2944, 3036, 3168, 3312, 3405, 3520, 3632, 3680, 3795, 3840, 3960, 4048, 4086, 4140, 4224, 4416, 4540, 4554, 4994, 5060, 5221, 5280, 5448, 5520, 5760, 5888, 6072, 6336, 6624, 6810, 7040, 7264, 7360, 7491, 7590, 7920, 8096, 8172, 8280, 8448, 8832, 9080, 9108, 9988, 10120, 10215, 10442, 10560, 10896, 11040, 11385, 11520, 12144, 12485, 12672, 13248, 13620, 14080, 14528, 14720, 14982, 15180, 15663, 15840, 16192, 16344, 16560, 17664, 18160, 18216, 19976, 20240, 20430, 20884, 21120, 21792, 22080, 22473, 22770, 24288, 24970, 25344, 26105, 26496, 27240, 29056, 29440, 29964, 30360, 31326, 31680, 32384, 32688, 33120, 36320, 36432, 37455, 39952, 40480, 40860, 41768, 42240, 43584, 44160, 44946, 45540, 46989, 48576, 49940, 52210, 52992, 54480, 57431, 58112, 59928, 60720, 62652, 63360, 64768, 65376, 66240, 72640, 72864, 74910, 78315, 79904, 80960, 81720, 83536, 87168, 88320, 89892, 91080, 93978, 97152, 99880, 104420, 108960, 112365, 114862, 119856, 121440, 125304, 126720, 130752, 132480, 145280, 145728, 149820, 156630, 159808, 161920, 163440, 167072, 172293, 174336, 179784, 182160, 187956, 194304, 199760, 208840, 217920, 224730, 229724, 234945, 239712, 242880, 250608, 261504, 264960, 287155, 290560, 291456, 299640, 313260, 319616, 323840, 326880, 334144, 344586, 359568, 364320, 375912, 399520, 417680, 435840, 449460, 459448, 469890, 479424, 485760, 501216, 516879, 523008, 574310, 582912, 599280, 626520, 639232, 653760, 668288, 689172, 719136, 728640, 751824, 799040, 835360, 861465, 871680, 898920, 918896, 939780, 958848, 971520, 1002432, 1033758, 1148620, 1198560, 1253040, 1307520, 1336576, 1378344, 1438272, 1457280, 1503648, 1598080, 1670720, 1722930, 1797840, 1837792, 1879560, 1917696, 2004864, 2067516, 2297240, 2397120, 2506080, 2584395, 2615040, 2756688, 2876544, 2914560, 3007296, 3196160, 3341440, 3445860, 3595680, 3675584, 3759120, 4009728, 4135032, 4594480, 4794240, 5012160, 5168790, 5513376, 5753088, 6014592, 6682880, 6891720, 7191360, 7351168, 7518240, 8270064, 9188960, 9588480, 10024320, 10337580, 11026752, 12029184, 13783440, 14382720, 14702336, 15036480, 16540128, 18377920, 20048640, 20675160, 22053504, 27566880, 28765440, 30072960, 33080256, 36755840, 41350320, 44107008, 55133760, 60145920, 66160512, 73511680, 82700640, 110267520, 132321024, 165401280, 220535040, 330802560, 661605120]

約数ペア:

[(1, 661605120), (2, 330802560), (3, 220535040), (4, 165401280), (5, 132321024), (6, 110267520), (8, 82700640), (9, 73511680), (10, 66160512), (11, 60145920), (12, 55133760), (15, 44107008), (16, 41350320), (18, 36755840), (20, 33080256), (22, 30072960), (23, 28765440), (24, 27566880), (30, 22053504), (32, 20675160), (33, 20048640), (36, 18377920), (40, 16540128), (44, 15036480), (45, 14702336), (46, 14382720), (48, 13783440), (55, 12029184), (60, 11026752), (64, 10337580), (66, 10024320), (69, 9588480), (72, 9188960), (80, 8270064), (88, 7518240), (90, 7351168), (92, 7191360), (96, 6891720), (99, 6682880), (110, 6014592), (115, 5753088), (120, 5513376), (128, 5168790), (132, 5012160), (138, 4794240), (144, 4594480), (160, 4135032), (165, 4009728), (176, 3759120), (180, 3675584), (184, 3595680), (192, 3445860), (198, 3341440), (207, 3196160), (220, 3007296), (227, 2914560), (230, 2876544), (240, 2756688), (253, 2615040), (256, 2584395), (264, 2506080), (276, 2397120), (288, 2297240), (320, 2067516), (330, 2004864), (345, 1917696), (352, 1879560), (360, 1837792), (368, 1797840), (384, 1722930), (396, 1670720), (414, 1598080), (440, 1503648), (454, 1457280), (460, 1438272), (480, 1378344), (495, 1336576), (506, 1307520), (528, 1253040), (552, 1198560), (576, 1148620), (640, 1033758), (660, 1002432), (681, 971520), (690, 958848), (704, 939780), (720, 918896), (736, 898920), (759, 871680), (768, 861465), (792, 835360), (828, 799040), (880, 751824), (908, 728640), (920, 719136), (960, 689172), (990, 668288), (1012, 653760), (1035, 639232), (1056, 626520), (1104, 599280), (1135, 582912), (1152, 574310), (1265, 523008), (1280, 516879), (1320, 501216), (1362, 485760), (1380, 479424), (1408, 469890), (1440, 459448), (1472, 449460), (1518, 435840), (1584, 417680), (1656, 399520), (1760, 375912), (1816, 364320), (1840, 359568), (1920, 344586), (1980, 334144), (2024, 326880), (2043, 323840), (2070, 319616), (2112, 313260), (2208, 299640), (2270, 291456), (2277, 290560), (2304, 287155), (2497, 264960), (2530, 261504), (2640, 250608), (2724, 242880), (2760, 239712), (2816, 234945), (2880, 229724), (2944, 224730), (3036, 217920), (3168, 208840), (3312, 199760), (3405, 194304), (3520, 187956), (3632, 182160), (3680, 179784), (3795, 174336), (3840, 172293), (3960, 167072), (4048, 163440), (4086, 161920), (4140, 159808), (4224, 156630), (4416, 149820), (4540, 145728), (4554, 145280), (4994, 132480), (5060, 130752), (5221, 126720), (5280, 125304), (5448, 121440), (5520, 119856), (5760, 114862), (5888, 112365), (6072, 108960), (6336, 104420), (6624, 99880), (6810, 97152), (7040, 93978), (7264, 91080), (7360, 89892), (7491, 88320), (7590, 87168), (7920, 83536), (8096, 81720), (8172, 80960), (8280, 79904), (8448, 78315), (8832, 74910), (9080, 72864), (9108, 72640), (9988, 66240), (10120, 65376), (10215, 64768), (10442, 63360), (10560, 62652), (10896, 60720), (11040, 59928), (11385, 58112), (11520, 57431), (12144, 54480), (12485, 52992), (12672, 52210), (13248, 49940), (13620, 48576), (14080, 46989), (14528, 45540), (14720, 44946), (14982, 44160), (15180, 43584), (15663, 42240), (15840, 41768), (16192, 40860), (16344, 40480), (16560, 39952), (17664, 37455), (18160, 36432), (18216, 36320), (19976, 33120), (20240, 32688), (20430, 32384), (20884, 31680), (21120, 31326), (21792, 30360), (22080, 29964), (22473, 29440), (22770, 29056), (24288, 27240), (24970, 26496), (25344, 26105)]