21018808320

素因数分解:

$2^{12}\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{2179}}^1$

素因数の和:2368

約数の個数: 208

約数和(自身を含む): 67711392960

約数和(自身を除く): 46692584640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 157, 160, 192, 240, 256, 314, 320, 384, 471, 480, 512, 628, 640, 768, 785, 942, 960, 1024, 1256, 1280, 1536, 1570, 1884, 1920, 2048, 2179, 2355, 2512, 2560, 3072, 3140, 3768, 3840, 4096, 4358, 4710, 5024, 5120, 6144, 6280, 6537, 7536, 7680, 8716, 9420, 10048, 10240, 10895, 12288, 12560, 13074, 15072, 15360, 17432, 18840, 20096, 20480, 21790, 25120, 26148, 30144, 30720, 32685, 34864, 37680, 40192, 43580, 50240, 52296, 60288, 61440, 65370, 69728, 75360, 80384, 87160, 100480, 104592, 120576, 130740, 139456, 150720, 160768, 174320, 200960, 209184, 241152, 261480, 278912, 301440, 321536, 342103, 348640, 401920, 418368, 482304, 522960, 557824, 602880, 643072, 684206, 697280, 803840, 836736, 964608, 1026309, 1045920, 1115648, 1205760, 1368412, 1394560, 1607680, 1673472, 1710515, 1929216, 2052618, 2091840, 2231296, 2411520, 2736824, 2789120, 3215360, 3346944, 3421030, 4105236, 4183680, 4462592, 4823040, 5131545, 5473648, 5578240, 6693888, 6842060, 8210472, 8367360, 8925184, 9646080, 10263090, 10947296, 11156480, 13387776, 13684120, 16420944, 16734720, 20526180, 21894592, 22312960, 26775552, 27368240, 32841888, 33469440, 41052360, 43789184, 44625920, 54736480, 65683776, 66938880, 82104720, 87578368, 109472960, 131367552, 133877760, 164209440, 175156736, 218945920, 262735104, 328418880, 350313472, 437891840, 525470208, 656837760, 700626944, 875783680, 1050940416, 1313675520, 1401253888, 1751567360, 2101880832, 2627351040, 3503134720, 4203761664, 5254702080, 7006269440, 10509404160, 21018808320]

約数ペア:

[(1, 21018808320), (2, 10509404160), (3, 7006269440), (4, 5254702080), (5, 4203761664), (6, 3503134720), (8, 2627351040), (10, 2101880832), (12, 1751567360), (15, 1401253888), (16, 1313675520), (20, 1050940416), (24, 875783680), (30, 700626944), (32, 656837760), (40, 525470208), (48, 437891840), (60, 350313472), (64, 328418880), (80, 262735104), (96, 218945920), (120, 175156736), (128, 164209440), (157, 133877760), (160, 131367552), (192, 109472960), (240, 87578368), (256, 82104720), (314, 66938880), (320, 65683776), (384, 54736480), (471, 44625920), (480, 43789184), (512, 41052360), (628, 33469440), (640, 32841888), (768, 27368240), (785, 26775552), (942, 22312960), (960, 21894592), (1024, 20526180), (1256, 16734720), (1280, 16420944), (1536, 13684120), (1570, 13387776), (1884, 11156480), (1920, 10947296), (2048, 10263090), (2179, 9646080), (2355, 8925184), (2512, 8367360), (2560, 8210472), (3072, 6842060), (3140, 6693888), (3768, 5578240), (3840, 5473648), (4096, 5131545), (4358, 4823040), (4710, 4462592), (5024, 4183680), (5120, 4105236), (6144, 3421030), (6280, 3346944), (6537, 3215360), (7536, 2789120), (7680, 2736824), (8716, 2411520), (9420, 2231296), (10048, 2091840), (10240, 2052618), (10895, 1929216), (12288, 1710515), (12560, 1673472), (13074, 1607680), (15072, 1394560), (15360, 1368412), (17432, 1205760), (18840, 1115648), (20096, 1045920), (20480, 1026309), (21790, 964608), (25120, 836736), (26148, 803840), (30144, 697280), (30720, 684206), (32685, 643072), (34864, 602880), (37680, 557824), (40192, 522960), (43580, 482304), (50240, 418368), (52296, 401920), (60288, 348640), (61440, 342103), (65370, 321536), (69728, 301440), (75360, 278912), (80384, 261480), (87160, 241152), (100480, 209184), (104592, 200960), (120576, 174320), (130740, 160768), (139456, 150720)]