213431680

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:169

約数の個数: 256

約数和(自身を含む): 655672320

約数和(自身を除く): 442240640

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 61, 64, 70, 71, 77, 80, 88, 110, 112, 122, 128, 140, 142, 154, 160, 176, 220, 224, 244, 280, 284, 305, 308, 320, 352, 355, 385, 427, 440, 448, 488, 497, 560, 568, 610, 616, 640, 671, 704, 710, 770, 781, 854, 880, 896, 976, 994, 1120, 1136, 1220, 1232, 1342, 1408, 1420, 1540, 1562, 1708, 1760, 1952, 1988, 2135, 2240, 2272, 2440, 2464, 2485, 2684, 2840, 3080, 3124, 3355, 3416, 3520, 3904, 3905, 3976, 4270, 4331, 4480, 4544, 4697, 4880, 4928, 4970, 5368, 5467, 5680, 6160, 6248, 6710, 6832, 7040, 7808, 7810, 7952, 8540, 8662, 9088, 9394, 9760, 9856, 9940, 10736, 10934, 11360, 12320, 12496, 13420, 13664, 15620, 15904, 17080, 17324, 18788, 19520, 19880, 21472, 21655, 21868, 22720, 23485, 24640, 24992, 26840, 27328, 27335, 30317, 31240, 31808, 34160, 34648, 37576, 39040, 39760, 42944, 43310, 43736, 45440, 46970, 47641, 49280, 49984, 53680, 54656, 54670, 60634, 62480, 63616, 68320, 69296, 75152, 79520, 85888, 86620, 87472, 93940, 95282, 99968, 107360, 109340, 121268, 124960, 136640, 138592, 150304, 151585, 159040, 173240, 174944, 187880, 190564, 214720, 218680, 238205, 242536, 249920, 273280, 277184, 300608, 303170, 318080, 333487, 346480, 349888, 375760, 381128, 429440, 437360, 476410, 485072, 499840, 554368, 601216, 606340, 666974, 692960, 699776, 751520, 762256, 874720, 952820, 970144, 1212680, 1333948, 1385920, 1503040, 1524512, 1667435, 1749440, 1905640, 1940288, 2425360, 2667896, 2771840, 3006080, 3049024, 3334870, 3498880, 3811280, 3880576, 4850720, 5335792, 6098048, 6669740, 7622560, 9701440, 10671584, 13339480, 15245120, 19402880, 21343168, 26678960, 30490240, 42686336, 53357920, 106715840, 213431680]

約数ペア:

[(1, 213431680), (2, 106715840), (4, 53357920), (5, 42686336), (7, 30490240), (8, 26678960), (10, 21343168), (11, 19402880), (14, 15245120), (16, 13339480), (20, 10671584), (22, 9701440), (28, 7622560), (32, 6669740), (35, 6098048), (40, 5335792), (44, 4850720), (55, 3880576), (56, 3811280), (61, 3498880), (64, 3334870), (70, 3049024), (71, 3006080), (77, 2771840), (80, 2667896), (88, 2425360), (110, 1940288), (112, 1905640), (122, 1749440), (128, 1667435), (140, 1524512), (142, 1503040), (154, 1385920), (160, 1333948), (176, 1212680), (220, 970144), (224, 952820), (244, 874720), (280, 762256), (284, 751520), (305, 699776), (308, 692960), (320, 666974), (352, 606340), (355, 601216), (385, 554368), (427, 499840), (440, 485072), (448, 476410), (488, 437360), (497, 429440), (560, 381128), (568, 375760), (610, 349888), (616, 346480), (640, 333487), (671, 318080), (704, 303170), (710, 300608), (770, 277184), (781, 273280), (854, 249920), (880, 242536), (896, 238205), (976, 218680), (994, 214720), (1120, 190564), (1136, 187880), (1220, 174944), (1232, 173240), (1342, 159040), (1408, 151585), (1420, 150304), (1540, 138592), (1562, 136640), (1708, 124960), (1760, 121268), (1952, 109340), (1988, 107360), (2135, 99968), (2240, 95282), (2272, 93940), (2440, 87472), (2464, 86620), (2485, 85888), (2684, 79520), (2840, 75152), (3080, 69296), (3124, 68320), (3355, 63616), (3416, 62480), (3520, 60634), (3904, 54670), (3905, 54656), (3976, 53680), (4270, 49984), (4331, 49280), (4480, 47641), (4544, 46970), (4697, 45440), (4880, 43736), (4928, 43310), (4970, 42944), (5368, 39760), (5467, 39040), (5680, 37576), (6160, 34648), (6248, 34160), (6710, 31808), (6832, 31240), (7040, 30317), (7808, 27335), (7810, 27328), (7952, 26840), (8540, 24992), (8662, 24640), (9088, 23485), (9394, 22720), (9760, 21868), (9856, 21655), (9940, 21472), (10736, 19880), (10934, 19520), (11360, 18788), (12320, 17324), (12496, 17080), (13420, 15904), (13664, 15620)]