647342080

素因数分解:

$2^{11}\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{821}}^1$

素因数の和:866

約数の個数: 192

約数和(自身を含む): 1938867840

約数和(自身を除く): 1291525760

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 64, 70, 77, 80, 88, 110, 112, 128, 140, 154, 160, 176, 220, 224, 256, 280, 308, 320, 352, 385, 440, 448, 512, 560, 616, 640, 704, 770, 821, 880, 896, 1024, 1120, 1232, 1280, 1408, 1540, 1642, 1760, 1792, 2048, 2240, 2464, 2560, 2816, 3080, 3284, 3520, 3584, 4105, 4480, 4928, 5120, 5632, 5747, 6160, 6568, 7040, 7168, 8210, 8960, 9031, 9856, 10240, 11264, 11494, 12320, 13136, 14080, 14336, 16420, 17920, 18062, 19712, 22528, 22988, 24640, 26272, 28160, 28735, 32840, 35840, 36124, 39424, 45155, 45976, 49280, 52544, 56320, 57470, 63217, 65680, 71680, 72248, 78848, 90310, 91952, 98560, 105088, 112640, 114940, 126434, 131360, 144496, 157696, 180620, 183904, 197120, 210176, 229880, 252868, 262720, 288992, 316085, 361240, 367808, 394240, 420352, 459760, 505736, 525440, 577984, 632170, 722480, 735616, 788480, 840704, 919520, 1011472, 1050880, 1155968, 1264340, 1444960, 1471232, 1681408, 1839040, 2022944, 2101760, 2311936, 2528680, 2889920, 2942464, 3678080, 4045888, 4203520, 4623872, 5057360, 5779840, 5884928, 7356160, 8091776, 8407040, 9247744, 10114720, 11559680, 11769856, 14712320, 16183552, 18495488, 20229440, 23119360, 29424640, 32367104, 40458880, 46238720, 58849280, 64734208, 80917760, 92477440, 129468416, 161835520, 323671040, 647342080]

約数ペア:

[(1, 647342080), (2, 323671040), (4, 161835520), (5, 129468416), (7, 92477440), (8, 80917760), (10, 64734208), (11, 58849280), (14, 46238720), (16, 40458880), (20, 32367104), (22, 29424640), (28, 23119360), (32, 20229440), (35, 18495488), (40, 16183552), (44, 14712320), (55, 11769856), (56, 11559680), (64, 10114720), (70, 9247744), (77, 8407040), (80, 8091776), (88, 7356160), (110, 5884928), (112, 5779840), (128, 5057360), (140, 4623872), (154, 4203520), (160, 4045888), (176, 3678080), (220, 2942464), (224, 2889920), (256, 2528680), (280, 2311936), (308, 2101760), (320, 2022944), (352, 1839040), (385, 1681408), (440, 1471232), (448, 1444960), (512, 1264340), (560, 1155968), (616, 1050880), (640, 1011472), (704, 919520), (770, 840704), (821, 788480), (880, 735616), (896, 722480), (1024, 632170), (1120, 577984), (1232, 525440), (1280, 505736), (1408, 459760), (1540, 420352), (1642, 394240), (1760, 367808), (1792, 361240), (2048, 316085), (2240, 288992), (2464, 262720), (2560, 252868), (2816, 229880), (3080, 210176), (3284, 197120), (3520, 183904), (3584, 180620), (4105, 157696), (4480, 144496), (4928, 131360), (5120, 126434), (5632, 114940), (5747, 112640), (6160, 105088), (6568, 98560), (7040, 91952), (7168, 90310), (8210, 78848), (8960, 72248), (9031, 71680), (9856, 65680), (10240, 63217), (11264, 57470), (11494, 56320), (12320, 52544), (13136, 49280), (14080, 45976), (14336, 45155), (16420, 39424), (17920, 36124), (18062, 35840), (19712, 32840), (22528, 28735), (22988, 28160), (24640, 26272)]