1680936960

素因数分解:

$2^{12}\times 3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{251}}^1$

素因数の和:392

約数の個数: 208

約数和(自身を含む): 5449308480

約数和(自身を除く): 3768371520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 109, 120, 128, 160, 192, 218, 240, 251, 256, 320, 327, 384, 436, 480, 502, 512, 545, 640, 654, 753, 768, 872, 960, 1004, 1024, 1090, 1255, 1280, 1308, 1506, 1536, 1635, 1744, 1920, 2008, 2048, 2180, 2510, 2560, 2616, 3012, 3072, 3270, 3488, 3765, 3840, 4016, 4096, 4360, 5020, 5120, 5232, 6024, 6144, 6540, 6976, 7530, 7680, 8032, 8720, 10040, 10240, 10464, 12048, 12288, 13080, 13952, 15060, 15360, 16064, 17440, 20080, 20480, 20928, 24096, 26160, 27359, 27904, 30120, 30720, 32128, 34880, 40160, 41856, 48192, 52320, 54718, 55808, 60240, 61440, 64256, 69760, 80320, 82077, 83712, 96384, 104640, 109436, 111616, 120480, 128512, 136795, 139520, 160640, 164154, 167424, 192768, 209280, 218872, 223232, 240960, 257024, 273590, 279040, 321280, 328308, 334848, 385536, 410385, 418560, 437744, 446464, 481920, 514048, 547180, 558080, 642560, 656616, 669696, 771072, 820770, 837120, 875488, 963840, 1028096, 1094360, 1116160, 1285120, 1313232, 1339392, 1542144, 1641540, 1674240, 1750976, 1927680, 2188720, 2232320, 2570240, 2626464, 3084288, 3283080, 3348480, 3501952, 3855360, 4377440, 5140480, 5252928, 6566160, 6696960, 7003904, 7710720, 8754880, 10505856, 13132320, 14007808, 15421440, 17509760, 21011712, 26264640, 28015616, 35019520, 42023424, 52529280, 56031232, 70039040, 84046848, 105058560, 112062464, 140078080, 168093696, 210117120, 280156160, 336187392, 420234240, 560312320, 840468480, 1680936960]

約数ペア:

[(1, 1680936960), (2, 840468480), (3, 560312320), (4, 420234240), (5, 336187392), (6, 280156160), (8, 210117120), (10, 168093696), (12, 140078080), (15, 112062464), (16, 105058560), (20, 84046848), (24, 70039040), (30, 56031232), (32, 52529280), (40, 42023424), (48, 35019520), (60, 28015616), (64, 26264640), (80, 21011712), (96, 17509760), (109, 15421440), (120, 14007808), (128, 13132320), (160, 10505856), (192, 8754880), (218, 7710720), (240, 7003904), (251, 6696960), (256, 6566160), (320, 5252928), (327, 5140480), (384, 4377440), (436, 3855360), (480, 3501952), (502, 3348480), (512, 3283080), (545, 3084288), (640, 2626464), (654, 2570240), (753, 2232320), (768, 2188720), (872, 1927680), (960, 1750976), (1004, 1674240), (1024, 1641540), (1090, 1542144), (1255, 1339392), (1280, 1313232), (1308, 1285120), (1506, 1116160), (1536, 1094360), (1635, 1028096), (1744, 963840), (1920, 875488), (2008, 837120), (2048, 820770), (2180, 771072), (2510, 669696), (2560, 656616), (2616, 642560), (3012, 558080), (3072, 547180), (3270, 514048), (3488, 481920), (3765, 446464), (3840, 437744), (4016, 418560), (4096, 410385), (4360, 385536), (5020, 334848), (5120, 328308), (5232, 321280), (6024, 279040), (6144, 273590), (6540, 257024), (6976, 240960), (7530, 223232), (7680, 218872), (8032, 209280), (8720, 192768), (10040, 167424), (10240, 164154), (10464, 160640), (12048, 139520), (12288, 136795), (13080, 128512), (13952, 120480), (15060, 111616), (15360, 109436), (16064, 104640), (17440, 96384), (20080, 83712), (20480, 82077), (20928, 80320), (24096, 69760), (26160, 64256), (27359, 61440), (27904, 60240), (30120, 55808), (30720, 54718), (32128, 52320), (34880, 48192), (40160, 41856)]