660487680

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{263}}^1$

素因数の和:401

約数の個数: 240

約数和(自身を含む): 2317217760

約数和(自身を除く): 1656730080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 109, 120, 128, 144, 160, 180, 192, 218, 240, 256, 263, 288, 320, 327, 360, 384, 436, 480, 512, 526, 545, 576, 640, 654, 720, 768, 789, 872, 960, 981, 1052, 1090, 1152, 1280, 1308, 1315, 1440, 1536, 1578, 1635, 1744, 1920, 1962, 2104, 2180, 2304, 2367, 2560, 2616, 2630, 2880, 3156, 3270, 3488, 3840, 3924, 3945, 4208, 4360, 4608, 4734, 4905, 5232, 5260, 5760, 6312, 6540, 6976, 7680, 7848, 7890, 8416, 8720, 9468, 9810, 10464, 10520, 11520, 11835, 12624, 13080, 13952, 15696, 15780, 16832, 17440, 18936, 19620, 20928, 21040, 23040, 23670, 25248, 26160, 27904, 28667, 31392, 31560, 33664, 34880, 37872, 39240, 41856, 42080, 47340, 50496, 52320, 55808, 57334, 62784, 63120, 67328, 69760, 75744, 78480, 83712, 84160, 86001, 94680, 100992, 104640, 114668, 125568, 126240, 134656, 139520, 143335, 151488, 156960, 167424, 168320, 172002, 189360, 201984, 209280, 229336, 251136, 252480, 258003, 279040, 286670, 302976, 313920, 336640, 344004, 378720, 403968, 418560, 430005, 458672, 502272, 504960, 516006, 573340, 605952, 627840, 673280, 688008, 757440, 837120, 860010, 917344, 1009920, 1032012, 1146680, 1211904, 1255680, 1290015, 1376016, 1514880, 1720020, 1834688, 2019840, 2064024, 2293360, 2511360, 2580030, 2752032, 3029760, 3440040, 3669376, 4128048, 4586720, 5160060, 5504064, 6059520, 6880080, 7338752, 8256096, 9173440, 10320120, 11008128, 13760160, 14677504, 16512192, 18346880, 20640240, 22016256, 27520320, 33024384, 36693760, 41280480, 44032512, 55040640, 66048768, 73387520, 82560960, 110081280, 132097536, 165121920, 220162560, 330243840, 660487680]

約数ペア:

[(1, 660487680), (2, 330243840), (3, 220162560), (4, 165121920), (5, 132097536), (6, 110081280), (8, 82560960), (9, 73387520), (10, 66048768), (12, 55040640), (15, 44032512), (16, 41280480), (18, 36693760), (20, 33024384), (24, 27520320), (30, 22016256), (32, 20640240), (36, 18346880), (40, 16512192), (45, 14677504), (48, 13760160), (60, 11008128), (64, 10320120), (72, 9173440), (80, 8256096), (90, 7338752), (96, 6880080), (109, 6059520), (120, 5504064), (128, 5160060), (144, 4586720), (160, 4128048), (180, 3669376), (192, 3440040), (218, 3029760), (240, 2752032), (256, 2580030), (263, 2511360), (288, 2293360), (320, 2064024), (327, 2019840), (360, 1834688), (384, 1720020), (436, 1514880), (480, 1376016), (512, 1290015), (526, 1255680), (545, 1211904), (576, 1146680), (640, 1032012), (654, 1009920), (720, 917344), (768, 860010), (789, 837120), (872, 757440), (960, 688008), (981, 673280), (1052, 627840), (1090, 605952), (1152, 573340), (1280, 516006), (1308, 504960), (1315, 502272), (1440, 458672), (1536, 430005), (1578, 418560), (1635, 403968), (1744, 378720), (1920, 344004), (1962, 336640), (2104, 313920), (2180, 302976), (2304, 286670), (2367, 279040), (2560, 258003), (2616, 252480), (2630, 251136), (2880, 229336), (3156, 209280), (3270, 201984), (3488, 189360), (3840, 172002), (3924, 168320), (3945, 167424), (4208, 156960), (4360, 151488), (4608, 143335), (4734, 139520), (4905, 134656), (5232, 126240), (5260, 125568), (5760, 114668), (6312, 104640), (6540, 100992), (6976, 94680), (7680, 86001), (7848, 84160), (7890, 83712), (8416, 78480), (8720, 75744), (9468, 69760), (9810, 67328), (10464, 63120), (10520, 62784), (11520, 57334), (11835, 55808), (12624, 52320), (13080, 50496), (13952, 47340), (15696, 42080), (15780, 41856), (16832, 39240), (17440, 37872), (18936, 34880), (19620, 33664), (20928, 31560), (21040, 31392), (23040, 28667), (23670, 27904), (25248, 26160)]