641863680

素因数分解:

$2^{12}\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{337}}^1$

素因数の和:400

約数の個数: 208

約数和(自身を含む): 2126252544

約数和(自身を除く): 1484388864

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 64, 80, 93, 96, 120, 124, 128, 155, 160, 186, 192, 240, 248, 256, 310, 320, 337, 372, 384, 465, 480, 496, 512, 620, 640, 674, 744, 768, 930, 960, 992, 1011, 1024, 1240, 1280, 1348, 1488, 1536, 1685, 1860, 1920, 1984, 2022, 2048, 2480, 2560, 2696, 2976, 3072, 3370, 3720, 3840, 3968, 4044, 4096, 4960, 5055, 5120, 5392, 5952, 6144, 6740, 7440, 7680, 7936, 8088, 9920, 10110, 10240, 10447, 10784, 11904, 12288, 13480, 14880, 15360, 15872, 16176, 19840, 20220, 20480, 20894, 21568, 23808, 26960, 29760, 30720, 31341, 31744, 32352, 39680, 40440, 41788, 43136, 47616, 52235, 53920, 59520, 61440, 62682, 63488, 64704, 79360, 80880, 83576, 86272, 95232, 104470, 107840, 119040, 125364, 126976, 129408, 156705, 158720, 161760, 167152, 172544, 190464, 208940, 215680, 238080, 250728, 258816, 313410, 317440, 323520, 334304, 345088, 380928, 417880, 431360, 476160, 501456, 517632, 626820, 634880, 647040, 668608, 690176, 835760, 862720, 952320, 1002912, 1035264, 1253640, 1294080, 1337216, 1380352, 1671520, 1725440, 1904640, 2005824, 2070528, 2507280, 2588160, 2674432, 3343040, 3450880, 4011648, 4141056, 5014560, 5176320, 5348864, 6686080, 6901760, 8023296, 10029120, 10352640, 10697728, 13372160, 16046592, 20058240, 20705280, 21395456, 26744320, 32093184, 40116480, 42790912, 53488640, 64186368, 80232960, 106977280, 128372736, 160465920, 213954560, 320931840, 641863680]

約数ペア:

[(1, 641863680), (2, 320931840), (3, 213954560), (4, 160465920), (5, 128372736), (6, 106977280), (8, 80232960), (10, 64186368), (12, 53488640), (15, 42790912), (16, 40116480), (20, 32093184), (24, 26744320), (30, 21395456), (31, 20705280), (32, 20058240), (40, 16046592), (48, 13372160), (60, 10697728), (62, 10352640), (64, 10029120), (80, 8023296), (93, 6901760), (96, 6686080), (120, 5348864), (124, 5176320), (128, 5014560), (155, 4141056), (160, 4011648), (186, 3450880), (192, 3343040), (240, 2674432), (248, 2588160), (256, 2507280), (310, 2070528), (320, 2005824), (337, 1904640), (372, 1725440), (384, 1671520), (465, 1380352), (480, 1337216), (496, 1294080), (512, 1253640), (620, 1035264), (640, 1002912), (674, 952320), (744, 862720), (768, 835760), (930, 690176), (960, 668608), (992, 647040), (1011, 634880), (1024, 626820), (1240, 517632), (1280, 501456), (1348, 476160), (1488, 431360), (1536, 417880), (1685, 380928), (1860, 345088), (1920, 334304), (1984, 323520), (2022, 317440), (2048, 313410), (2480, 258816), (2560, 250728), (2696, 238080), (2976, 215680), (3072, 208940), (3370, 190464), (3720, 172544), (3840, 167152), (3968, 161760), (4044, 158720), (4096, 156705), (4960, 129408), (5055, 126976), (5120, 125364), (5392, 119040), (5952, 107840), (6144, 104470), (6740, 95232), (7440, 86272), (7680, 83576), (7936, 80880), (8088, 79360), (9920, 64704), (10110, 63488), (10240, 62682), (10447, 61440), (10784, 59520), (11904, 53920), (12288, 52235), (13480, 47616), (14880, 43136), (15360, 41788), (15872, 40440), (16176, 39680), (19840, 32352), (20220, 31744), (20480, 31341), (20894, 30720), (21568, 29760), (23808, 26960)]