278665920

素因数分解:

$2^6\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{827}}^1$

素因数の和:869

約数の個数: 280

約数和(自身を含む): 1068805584

約数和(自身を除く): 790139664

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 32, 36, 39, 40, 45, 48, 52, 54, 60, 64, 65, 72, 78, 80, 81, 90, 96, 104, 108, 117, 120, 130, 135, 144, 156, 160, 162, 180, 192, 195, 208, 216, 234, 240, 260, 270, 288, 312, 320, 324, 351, 360, 390, 405, 416, 432, 468, 480, 520, 540, 576, 585, 624, 648, 702, 720, 780, 810, 827, 832, 864, 936, 960, 1040, 1053, 1080, 1170, 1248, 1296, 1404, 1440, 1560, 1620, 1654, 1728, 1755, 1872, 2080, 2106, 2160, 2340, 2481, 2496, 2592, 2808, 2880, 3120, 3240, 3308, 3510, 3744, 4135, 4160, 4212, 4320, 4680, 4962, 5184, 5265, 5616, 6240, 6480, 6616, 7020, 7443, 7488, 8270, 8424, 8640, 9360, 9924, 10530, 10751, 11232, 12405, 12480, 12960, 13232, 14040, 14886, 16540, 16848, 18720, 19848, 21060, 21502, 22329, 22464, 24810, 25920, 26464, 28080, 29772, 32253, 33080, 33696, 37215, 37440, 39696, 42120, 43004, 44658, 49620, 52928, 53755, 56160, 59544, 64506, 66160, 66987, 67392, 74430, 79392, 84240, 86008, 89316, 96759, 99240, 107510, 111645, 112320, 119088, 129012, 132320, 133974, 148860, 158784, 161265, 168480, 172016, 178632, 193518, 198480, 215020, 223290, 238176, 258024, 264640, 267948, 290277, 297720, 322530, 334935, 336960, 344032, 357264, 387036, 396960, 430040, 446580, 476352, 483795, 516048, 535896, 580554, 595440, 645060, 669870, 688064, 714528, 774072, 793920, 860080, 870831, 893160, 967590, 1032096, 1071792, 1161108, 1190880, 1290120, 1339740, 1429056, 1451385, 1548144, 1720160, 1741662, 1786320, 1935180, 2064192, 2143584, 2322216, 2381760, 2580240, 2679480, 2902770, 3096288, 3440320, 3483324, 3572640, 3870360, 4287168, 4354155, 4644432, 5160480, 5358960, 5805540, 6192576, 6966648, 7145280, 7740720, 8708310, 9288864, 10320960, 10717920, 11611080, 13933296, 15481440, 17416620, 18577728, 21435840, 23222160, 27866592, 30962880, 34833240, 46444320, 55733184, 69666480, 92888640, 139332960, 278665920]

約数ペア:

[(1, 278665920), (2, 139332960), (3, 92888640), (4, 69666480), (5, 55733184), (6, 46444320), (8, 34833240), (9, 30962880), (10, 27866592), (12, 23222160), (13, 21435840), (15, 18577728), (16, 17416620), (18, 15481440), (20, 13933296), (24, 11611080), (26, 10717920), (27, 10320960), (30, 9288864), (32, 8708310), (36, 7740720), (39, 7145280), (40, 6966648), (45, 6192576), (48, 5805540), (52, 5358960), (54, 5160480), (60, 4644432), (64, 4354155), (65, 4287168), (72, 3870360), (78, 3572640), (80, 3483324), (81, 3440320), (90, 3096288), (96, 2902770), (104, 2679480), (108, 2580240), (117, 2381760), (120, 2322216), (130, 2143584), (135, 2064192), (144, 1935180), (156, 1786320), (160, 1741662), (162, 1720160), (180, 1548144), (192, 1451385), (195, 1429056), (208, 1339740), (216, 1290120), (234, 1190880), (240, 1161108), (260, 1071792), (270, 1032096), (288, 967590), (312, 893160), (320, 870831), (324, 860080), (351, 793920), (360, 774072), (390, 714528), (405, 688064), (416, 669870), (432, 645060), (468, 595440), (480, 580554), (520, 535896), (540, 516048), (576, 483795), (585, 476352), (624, 446580), (648, 430040), (702, 396960), (720, 387036), (780, 357264), (810, 344032), (827, 336960), (832, 334935), (864, 322530), (936, 297720), (960, 290277), (1040, 267948), (1053, 264640), (1080, 258024), (1170, 238176), (1248, 223290), (1296, 215020), (1404, 198480), (1440, 193518), (1560, 178632), (1620, 172016), (1654, 168480), (1728, 161265), (1755, 158784), (1872, 148860), (2080, 133974), (2106, 132320), (2160, 129012), (2340, 119088), (2481, 112320), (2496, 111645), (2592, 107510), (2808, 99240), (2880, 96759), (3120, 89316), (3240, 86008), (3308, 84240), (3510, 79392), (3744, 74430), (4135, 67392), (4160, 66987), (4212, 66160), (4320, 64506), (4680, 59544), (4962, 56160), (5184, 53755), (5265, 52928), (5616, 49620), (6240, 44658), (6480, 43004), (6616, 42120), (7020, 39696), (7443, 37440), (7488, 37215), (8270, 33696), (8424, 33080), (8640, 32253), (9360, 29772), (9924, 28080), (10530, 26464), (10751, 25920), (11232, 24810), (12405, 22464), (12480, 22329), (12960, 21502), (13232, 21060), (14040, 19848), (14886, 18720), (16540, 16848)]