243886720

素因数分解:

$2^7\times 5^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{101}}^1$

素因数の和:152

約数の個数: 256

約数和(自身を含む): 749088000

約数和(自身を除く): 505201280

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 49, 55, 56, 64, 70, 77, 80, 88, 98, 101, 110, 112, 128, 140, 154, 160, 176, 196, 202, 220, 224, 245, 280, 308, 320, 343, 352, 385, 392, 404, 440, 448, 490, 505, 539, 560, 616, 640, 686, 704, 707, 770, 784, 808, 880, 896, 980, 1010, 1078, 1111, 1120, 1232, 1372, 1408, 1414, 1540, 1568, 1616, 1715, 1760, 1960, 2020, 2156, 2222, 2240, 2464, 2695, 2744, 2828, 3080, 3136, 3232, 3430, 3520, 3535, 3773, 3920, 4040, 4312, 4444, 4480, 4928, 4949, 5390, 5488, 5555, 5656, 6160, 6272, 6464, 6860, 7040, 7070, 7546, 7777, 7840, 8080, 8624, 8888, 9856, 9898, 10780, 10976, 11110, 11312, 12320, 12928, 13720, 14140, 15092, 15554, 15680, 16160, 17248, 17776, 18865, 19796, 21560, 21952, 22220, 22624, 24640, 24745, 27440, 28280, 30184, 31108, 31360, 32320, 34496, 34643, 35552, 37730, 38885, 39592, 43120, 43904, 44440, 45248, 49280, 49490, 54439, 54880, 56560, 60368, 62216, 64640, 68992, 69286, 71104, 75460, 77770, 79184, 86240, 88880, 90496, 98980, 108878, 109760, 113120, 120736, 124432, 138572, 142208, 150920, 155540, 158368, 172480, 173215, 177760, 197960, 217756, 219520, 226240, 241472, 248864, 272195, 277144, 301840, 311080, 316736, 344960, 346430, 355520, 381073, 395920, 435512, 452480, 482944, 497728, 544390, 554288, 603680, 622160, 633472, 692860, 711040, 762146, 791840, 871024, 995456, 1088780, 1108576, 1207360, 1244320, 1385720, 1524292, 1583680, 1742048, 1905365, 2177560, 2217152, 2414720, 2488640, 2771440, 3048584, 3167360, 3484096, 3810730, 4355120, 4434304, 4977280, 5542880, 6097168, 6968192, 7621460, 8710240, 11085760, 12194336, 15242920, 17420480, 22171520, 24388672, 30485840, 34840960, 48777344, 60971680, 121943360, 243886720]

約数ペア:

[(1, 243886720), (2, 121943360), (4, 60971680), (5, 48777344), (7, 34840960), (8, 30485840), (10, 24388672), (11, 22171520), (14, 17420480), (16, 15242920), (20, 12194336), (22, 11085760), (28, 8710240), (32, 7621460), (35, 6968192), (40, 6097168), (44, 5542880), (49, 4977280), (55, 4434304), (56, 4355120), (64, 3810730), (70, 3484096), (77, 3167360), (80, 3048584), (88, 2771440), (98, 2488640), (101, 2414720), (110, 2217152), (112, 2177560), (128, 1905365), (140, 1742048), (154, 1583680), (160, 1524292), (176, 1385720), (196, 1244320), (202, 1207360), (220, 1108576), (224, 1088780), (245, 995456), (280, 871024), (308, 791840), (320, 762146), (343, 711040), (352, 692860), (385, 633472), (392, 622160), (404, 603680), (440, 554288), (448, 544390), (490, 497728), (505, 482944), (539, 452480), (560, 435512), (616, 395920), (640, 381073), (686, 355520), (704, 346430), (707, 344960), (770, 316736), (784, 311080), (808, 301840), (880, 277144), (896, 272195), (980, 248864), (1010, 241472), (1078, 226240), (1111, 219520), (1120, 217756), (1232, 197960), (1372, 177760), (1408, 173215), (1414, 172480), (1540, 158368), (1568, 155540), (1616, 150920), (1715, 142208), (1760, 138572), (1960, 124432), (2020, 120736), (2156, 113120), (2222, 109760), (2240, 108878), (2464, 98980), (2695, 90496), (2744, 88880), (2828, 86240), (3080, 79184), (3136, 77770), (3232, 75460), (3430, 71104), (3520, 69286), (3535, 68992), (3773, 64640), (3920, 62216), (4040, 60368), (4312, 56560), (4444, 54880), (4480, 54439), (4928, 49490), (4949, 49280), (5390, 45248), (5488, 44440), (5555, 43904), (5656, 43120), (6160, 39592), (6272, 38885), (6464, 37730), (6860, 35552), (7040, 34643), (7070, 34496), (7546, 32320), (7777, 31360), (7840, 31108), (8080, 30184), (8624, 28280), (8888, 27440), (9856, 24745), (9898, 24640), (10780, 22624), (10976, 22220), (11110, 21952), (11312, 21560), (12320, 19796), (12928, 18865), (13720, 17776), (14140, 17248), (15092, 16160), (15554, 15680)]