20502720000

素因数分解:

$2^9\times 3^4\times 5^4\times 7^1\times {\mathrm{113}}^1$

素因数の和:170

約数の個数: 1000

約数和(自身を含む): 88167164976

約数和(自身を除く): 67664444976

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 25, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 50, 54, 56, 60, 63, 64, 70, 72, 75, 80, 81, 84, 90, 96, 100, 105, 108, 112, 113, 120, 125, 126, 128, 135, 140, 144, 150, 160, 162, 168, 175, 180, 189, 192, 200, 210, 216, 224, 225, 226, 240, 250, 252, 256, 270, 280, 288, 300, 315, 320, 324, 336, 339, 350, 360, 375, 378, 384, 400, 405, 420, 432, 448, 450, 452, 480, 500, 504, 512, 525, 540, 560, 565, 567, 576, 600, 625, 630, 640, 648, 672, 675, 678, 700, 720, 750, 756, 768, 791, 800, 810, 840, 864, 875, 896, 900, 904, 945, 960, 1000, 1008, 1017, 1050, 1080, 1120, 1125, 1130, 1134, 1152, 1200, 1250, 1260, 1280, 1296, 1344, 1350, 1356, 1400, 1440, 1500, 1512, 1536, 1575, 1582, 1600, 1620, 1680, 1695, 1728, 1750, 1792, 1800, 1808, 1875, 1890, 1920, 2000, 2016, 2025, 2034, 2100, 2160, 2240, 2250, 2260, 2268, 2304, 2373, 2400, 2500, 2520, 2560, 2592, 2625, 2688, 2700, 2712, 2800, 2825, 2835, 2880, 3000, 3024, 3051, 3150, 3164, 3200, 3240, 3360, 3375, 3390, 3456, 3500, 3584, 3600, 3616, 3750, 3780, 3840, 3955, 4000, 4032, 4050, 4068, 4200, 4320, 4375, 4480, 4500, 4520, 4536, 4608, 4725, 4746, 4800, 5000, 5040, 5085, 5184, 5250, 5376, 5400, 5424, 5600, 5625, 5650, 5670, 5760, 6000, 6048, 6102, 6300, 6328, 6400, 6480, 6720, 6750, 6780, 6912, 7000, 7119, 7200, 7232, 7500, 7560, 7680, 7875, 7910, 8000, 8064, 8100, 8136, 8400, 8475, 8640, 8750, 8960, 9000, 9040, 9072, 9153, 9450, 9492, 9600, 10000, 10080, 10125, 10170, 10368, 10500, 10752, 10800, 10848, 11200, 11250, 11300, 11340, 11520, 11865, 12000, 12096, 12204, 12600, 12656, 12800, 12960, 13125, 13440, 13500, 13560, 13824, 14000, 14125, 14175, 14238, 14400, 14464, 15000, 15120, 15255, 15750, 15820, 16000, 16128, 16200, 16272, 16800, 16875, 16950, 17280, 17500, 17920, 18000, 18080, 18144, 18306, 18900, 18984, 19200, 19775, 20000, 20160, 20250, 20340, 20736, 21000, 21357, 21600, 21696, 22400, 22500, 22600, 22680, 23040, 23625, 23730, 24000, 24192, 24408, 25200, 25312, 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518400, 520704, 533925, 540000, 542400, 560000, 565000, 567000, 569520, 576000, 585792, 593250, 604800, 607488, 610200, 630000, 632800, 635625, 640710, 648000, 650880, 672000, 678000, 683424, 708750, 711900, 720000, 723200, 725760, 732240, 756000, 759360, 762750, 781056, 791000, 806400, 810000, 813600, 840000, 847500, 854280, 864000, 867840, 889875, 904000, 907200, 911232, 915300, 945000, 949200, 960000, 976320, 988750, 1008000, 1012480, 1017000, 1025136, 1036800, 1067850, 1080000, 1084800, 1120000, 1130000, 1134000, 1139040, 1144125, 1171584, 1186500, 1209600, 1214976, 1220400, 1260000, 1265600, 1271250, 1281420, 1296000, 1301760, 1344000, 1356000, 1366848, 1417500, 1423800, 1440000, 1446400, 1451520, 1464480, 1483125, 1512000, 1518720, 1525500, 1562112, 1582000, 1601775, 1620000, 1627200, 1680000, 1695000, 1708560, 1728000, 1779750, 1808000, 1814400, 1822464, 1830600, 1890000, 1898400, 1906875, 1952640, 1977500, 2016000, 2024960, 2034000, 2050272, 2135700, 2160000, 2169600, 2240000, 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約数ペア:

[(1, 20502720000), (2, 10251360000), (3, 6834240000), (4, 5125680000), (5, 4100544000), (6, 3417120000), (7, 2928960000), (8, 2562840000), (9, 2278080000), (10, 2050272000), (12, 1708560000), (14, 1464480000), (15, 1366848000), (16, 1281420000), (18, 1139040000), (20, 1025136000), (21, 976320000), (24, 854280000), (25, 820108800), (27, 759360000), (28, 732240000), (30, 683424000), (32, 640710000), (35, 585792000), (36, 569520000), (40, 512568000), (42, 488160000), (45, 455616000), (48, 427140000), (50, 410054400), (54, 379680000), (56, 366120000), (60, 341712000), (63, 325440000), (64, 320355000), (70, 292896000), (72, 284760000), (75, 273369600), (80, 256284000), (81, 253120000), (84, 244080000), (90, 227808000), (96, 213570000), (100, 205027200), (105, 195264000), (108, 189840000), (112, 183060000), (113, 181440000), (120, 170856000), (125, 164021760), (126, 162720000), (128, 160177500), (135, 151872000), (140, 146448000), (144, 142380000), (150, 136684800), (160, 128142000), (162, 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