280049280

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{311}}^1$

素因数の和:407

約数の個数: 256

約数和(自身を含む): 1038735360

約数和(自身を除く): 758686080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 67, 70, 80, 84, 96, 105, 112, 120, 128, 134, 140, 160, 168, 192, 201, 210, 224, 240, 268, 280, 311, 320, 335, 336, 384, 402, 420, 448, 469, 480, 536, 560, 622, 640, 670, 672, 804, 840, 896, 933, 938, 960, 1005, 1072, 1120, 1244, 1340, 1344, 1407, 1555, 1608, 1680, 1866, 1876, 1920, 2010, 2144, 2177, 2240, 2345, 2488, 2680, 2688, 2814, 3110, 3216, 3360, 3732, 3752, 4020, 4288, 4354, 4480, 4665, 4690, 4976, 5360, 5628, 6220, 6432, 6531, 6720, 7035, 7464, 7504, 8040, 8576, 8708, 9330, 9380, 9952, 10720, 10885, 11256, 12440, 12864, 13062, 13440, 14070, 14928, 15008, 16080, 17416, 18660, 18760, 19904, 20837, 21440, 21770, 22512, 24880, 25728, 26124, 28140, 29856, 30016, 32160, 32655, 34832, 37320, 37520, 39808, 41674, 42880, 43540, 45024, 49760, 52248, 56280, 59712, 60032, 62511, 64320, 65310, 69664, 74640, 75040, 83348, 87080, 90048, 99520, 104185, 104496, 112560, 119424, 125022, 128640, 130620, 139328, 145859, 149280, 150080, 166696, 174160, 180096, 199040, 208370, 208992, 225120, 250044, 261240, 278656, 291718, 298560, 300160, 312555, 333392, 348320, 416740, 417984, 437577, 450240, 500088, 522480, 583436, 597120, 625110, 666784, 696640, 729295, 833480, 835968, 875154, 900480, 1000176, 1044960, 1166872, 1250220, 1333568, 1393280, 1458590, 1666960, 1750308, 2000352, 2089920, 2187885, 2333744, 2500440, 2667136, 2917180, 3333920, 3500616, 4000704, 4179840, 4375770, 4667488, 5000880, 5834360, 6667840, 7001232, 8001408, 8751540, 9334976, 10001760, 11668720, 13335680, 14002464, 17503080, 18669952, 20003520, 23337440, 28004928, 35006160, 40007040, 46674880, 56009856, 70012320, 93349760, 140024640, 280049280]

約数ペア:

[(1, 280049280), (2, 140024640), (3, 93349760), (4, 70012320), (5, 56009856), (6, 46674880), (7, 40007040), (8, 35006160), (10, 28004928), (12, 23337440), (14, 20003520), (15, 18669952), (16, 17503080), (20, 14002464), (21, 13335680), (24, 11668720), (28, 10001760), (30, 9334976), (32, 8751540), (35, 8001408), (40, 7001232), (42, 6667840), (48, 5834360), (56, 5000880), (60, 4667488), (64, 4375770), (67, 4179840), (70, 4000704), (80, 3500616), (84, 3333920), (96, 2917180), (105, 2667136), (112, 2500440), (120, 2333744), (128, 2187885), (134, 2089920), (140, 2000352), (160, 1750308), (168, 1666960), (192, 1458590), (201, 1393280), (210, 1333568), (224, 1250220), (240, 1166872), (268, 1044960), (280, 1000176), (311, 900480), (320, 875154), (335, 835968), (336, 833480), (384, 729295), (402, 696640), (420, 666784), (448, 625110), (469, 597120), (480, 583436), (536, 522480), (560, 500088), (622, 450240), (640, 437577), (670, 417984), (672, 416740), (804, 348320), (840, 333392), (896, 312555), (933, 300160), (938, 298560), (960, 291718), (1005, 278656), (1072, 261240), (1120, 250044), (1244, 225120), (1340, 208992), (1344, 208370), (1407, 199040), (1555, 180096), (1608, 174160), (1680, 166696), (1866, 150080), (1876, 149280), (1920, 145859), (2010, 139328), (2144, 130620), (2177, 128640), (2240, 125022), (2345, 119424), (2488, 112560), (2680, 104496), (2688, 104185), (2814, 99520), (3110, 90048), (3216, 87080), (3360, 83348), (3732, 75040), (3752, 74640), (4020, 69664), (4288, 65310), (4354, 64320), (4480, 62511), (4665, 60032), (4690, 59712), (4976, 56280), (5360, 52248), (5628, 49760), (6220, 45024), (6432, 43540), (6531, 42880), (6720, 41674), (7035, 39808), (7464, 37520), (7504, 37320), (8040, 34832), (8576, 32655), (8708, 32160), (9330, 30016), (9380, 29856), (9952, 28140), (10720, 26124), (10885, 25728), (11256, 24880), (12440, 22512), (12864, 21770), (13062, 21440), (13440, 20837), (14070, 19904), (14928, 18760), (15008, 18660), (16080, 17416)]