640245760

素因数分解:

$2^{13}\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1$

素因数の和:85

約数の個数: 336

約数和(自身を含む): 2017074960

約数和(自身を除く): 1376829200

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 29, 32, 35, 40, 44, 49, 55, 56, 58, 64, 70, 77, 80, 88, 98, 110, 112, 116, 128, 140, 145, 154, 160, 176, 196, 203, 220, 224, 232, 245, 256, 280, 290, 308, 319, 320, 352, 385, 392, 406, 440, 448, 464, 490, 512, 539, 560, 580, 616, 638, 640, 704, 770, 784, 812, 880, 896, 928, 980, 1015, 1024, 1078, 1120, 1160, 1232, 1276, 1280, 1408, 1421, 1540, 1568, 1595, 1624, 1760, 1792, 1856, 1960, 2030, 2048, 2156, 2233, 2240, 2320, 2464, 2552, 2560, 2695, 2816, 2842, 3080, 3136, 3190, 3248, 3520, 3584, 3712, 3920, 4060, 4096, 4312, 4466, 4480, 4640, 4928, 5104, 5120, 5390, 5632, 5684, 6160, 6272, 6380, 6496, 7040, 7105, 7168, 7424, 7840, 8120, 8192, 8624, 8932, 8960, 9280, 9856, 10208, 10240, 10780, 11165, 11264, 11368, 12320, 12544, 12760, 12992, 14080, 14210, 14336, 14848, 15631, 15680, 16240, 17248, 17864, 17920, 18560, 19712, 20416, 20480, 21560, 22330, 22528, 22736, 24640, 25088, 25520, 25984, 28160, 28420, 28672, 29696, 31262, 31360, 32480, 34496, 35728, 35840, 37120, 39424, 40832, 40960, 43120, 44660, 45056, 45472, 49280, 50176, 51040, 51968, 56320, 56840, 57344, 59392, 62524, 62720, 64960, 68992, 71456, 71680, 74240, 78155, 78848, 81664, 86240, 89320, 90112, 90944, 98560, 100352, 102080, 103936, 112640, 113680, 118784, 125048, 125440, 129920, 137984, 142912, 143360, 148480, 156310, 157696, 163328, 172480, 178640, 181888, 197120, 200704, 204160, 207872, 225280, 227360, 237568, 250096, 250880, 259840, 275968, 285824, 286720, 296960, 312620, 315392, 326656, 344960, 357280, 363776, 394240, 401408, 408320, 415744, 450560, 454720, 500192, 501760, 519680, 551936, 571648, 593920, 625240, 630784, 653312, 689920, 714560, 727552, 788480, 816640, 831488, 909440, 1000384, 1003520, 1039360, 1103872, 1143296, 1187840, 1250480, 1306624, 1379840, 1429120, 1455104, 1576960, 1633280, 1662976, 1818880, 2000768, 2007040, 2078720, 2207744, 2286592, 2500960, 2613248, 2759680, 2858240, 2910208, 3153920, 3266560, 3637760, 4001536, 4157440, 4415488, 4573184, 5001920, 5519360, 5716480, 5820416, 6533120, 7275520, 8003072, 8314880, 9146368, 10003840, 11038720, 11432960, 11640832, 13066240, 14551040, 16006144, 18292736, 20007680, 22077440, 22865920, 29102080, 32012288, 40015360, 45731840, 58204160, 64024576, 80030720, 91463680, 128049152, 160061440, 320122880, 640245760]

約数ペア:

[(1, 640245760), (2, 320122880), (4, 160061440), (5, 128049152), (7, 91463680), (8, 80030720), (10, 64024576), (11, 58204160), (14, 45731840), (16, 40015360), (20, 32012288), (22, 29102080), (28, 22865920), (29, 22077440), (32, 20007680), (35, 18292736), (40, 16006144), (44, 14551040), (49, 13066240), (55, 11640832), (56, 11432960), (58, 11038720), (64, 10003840), (70, 9146368), (77, 8314880), (80, 8003072), (88, 7275520), (98, 6533120), (110, 5820416), (112, 5716480), (116, 5519360), (128, 5001920), (140, 4573184), (145, 4415488), (154, 4157440), (160, 4001536), (176, 3637760), (196, 3266560), (203, 3153920), (220, 2910208), (224, 2858240), (232, 2759680), (245, 2613248), (256, 2500960), (280, 2286592), (290, 2207744), (308, 2078720), (319, 2007040), (320, 2000768), (352, 1818880), (385, 1662976), (392, 1633280), (406, 1576960), (440, 1455104), (448, 1429120), (464, 1379840), (490, 1306624), (512, 1250480), (539, 1187840), (560, 1143296), (580, 1103872), (616, 1039360), (638, 1003520), (640, 1000384), (704, 909440), (770, 831488), (784, 816640), (812, 788480), (880, 727552), (896, 714560), (928, 689920), (980, 653312), (1015, 630784), (1024, 625240), (1078, 593920), (1120, 571648), (1160, 551936), (1232, 519680), (1276, 501760), (1280, 500192), (1408, 454720), (1421, 450560), (1540, 415744), (1568, 408320), (1595, 401408), (1624, 394240), (1760, 363776), (1792, 357280), (1856, 344960), (1960, 326656), (2030, 315392), (2048, 312620), (2156, 296960), (2233, 286720), (2240, 285824), (2320, 275968), (2464, 259840), (2552, 250880), (2560, 250096), (2695, 237568), (2816, 227360), (2842, 225280), (3080, 207872), (3136, 204160), (3190, 200704), (3248, 197120), (3520, 181888), (3584, 178640), (3712, 172480), (3920, 163328), (4060, 157696), (4096, 156310), (4312, 148480), (4466, 143360), (4480, 142912), (4640, 137984), (4928, 129920), (5104, 125440), (5120, 125048), (5390, 118784), (5632, 113680), (5684, 112640), (6160, 103936), (6272, 102080), (6380, 100352), (6496, 98560), (7040, 90944), (7105, 90112), (7168, 89320), (7424, 86240), (7840, 81664), (8120, 78848), (8192, 78155), (8624, 74240), (8932, 71680), (8960, 71456), (9280, 68992), (9856, 64960), (10208, 62720), (10240, 62524), (10780, 59392), (11165, 57344), (11264, 56840), (11368, 56320), (12320, 51968), (12544, 51040), (12760, 50176), (12992, 49280), (14080, 45472), (14210, 45056), (14336, 44660), (14848, 43120), (15631, 40960), (15680, 40832), (16240, 39424), (17248, 37120), (17864, 35840), (17920, 35728), (18560, 34496), (19712, 32480), (20416, 31360), (20480, 31262), (21560, 29696), (22330, 28672), (22528, 28420), (22736, 28160), (24640, 25984), (25088, 25520)]