278727680

素因数分解:

$2^{10}\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{101}}^1$

素因数の和:151

約数の個数: 264

約数和(自身を含む): 856890576

約数和(自身を除く): 578162896

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, 256, 280, 308, 320, 352, 385, 392, 404, 440, 448, 490, 505, 512, 539, 560, 616, 640, 704, 707, 770, 784, 808, 880, 896, 980, 1010, 1024, 1078, 1111, 1120, 1232, 1280, 1408, 1414, 1540, 1568, 1616, 1760, 1792, 1960, 2020, 2156, 2222, 2240, 2464, 2560, 2695, 2816, 2828, 3080, 3136, 3232, 3520, 3535, 3584, 3920, 4040, 4312, 4444, 4480, 4928, 4949, 5120, 5390, 5555, 5632, 5656, 6160, 6272, 6464, 7040, 7070, 7168, 7777, 7840, 8080, 8624, 8888, 8960, 9856, 9898, 10780, 11110, 11264, 11312, 12320, 12544, 12928, 14080, 14140, 15554, 15680, 16160, 17248, 17776, 17920, 19712, 19796, 21560, 22220, 22624, 24640, 24745, 25088, 25856, 28160, 28280, 31108, 31360, 32320, 34496, 35552, 35840, 38885, 39424, 39592, 43120, 44440, 45248, 49280, 49490, 50176, 51712, 54439, 56320, 56560, 62216, 62720, 64640, 68992, 71104, 77770, 78848, 79184, 86240, 88880, 90496, 98560, 98980, 103424, 108878, 113120, 124432, 125440, 129280, 137984, 142208, 155540, 158368, 172480, 177760, 180992, 197120, 197960, 217756, 226240, 248864, 250880, 258560, 272195, 275968, 284416, 311080, 316736, 344960, 355520, 361984, 394240, 395920, 435512, 452480, 497728, 517120, 544390, 551936, 568832, 622160, 633472, 689920, 711040, 723968, 791840, 871024, 904960, 995456, 1088780, 1137664, 1244320, 1266944, 1379840, 1422080, 1583680, 1742048, 1809920, 1990912, 2177560, 2488640, 2533888, 2759680, 2844160, 3167360, 3484096, 3619840, 3981824, 4355120, 4977280, 5067776, 5688320, 6334720, 6968192, 7963648, 8710240, 9954560, 12669440, 13936384, 17420480, 19909120, 25338880, 27872768, 34840960, 39818240, 55745536, 69681920, 139363840, 278727680]

約数ペア:

[(1, 278727680), (2, 139363840), (4, 69681920), (5, 55745536), (7, 39818240), (8, 34840960), (10, 27872768), (11, 25338880), (14, 19909120), (16, 17420480), (20, 13936384), (22, 12669440), (28, 9954560), (32, 8710240), (35, 7963648), (40, 6968192), (44, 6334720), (49, 5688320), (55, 5067776), (56, 4977280), (64, 4355120), (70, 3981824), (77, 3619840), (80, 3484096), (88, 3167360), (98, 2844160), (101, 2759680), (110, 2533888), (112, 2488640), (128, 2177560), (140, 1990912), (154, 1809920), (160, 1742048), (176, 1583680), (196, 1422080), (202, 1379840), (220, 1266944), (224, 1244320), (245, 1137664), (256, 1088780), (280, 995456), (308, 904960), (320, 871024), (352, 791840), (385, 723968), (392, 711040), (404, 689920), (440, 633472), (448, 622160), (490, 568832), (505, 551936), (512, 544390), (539, 517120), (560, 497728), (616, 452480), (640, 435512), (704, 395920), (707, 394240), (770, 361984), (784, 355520), (808, 344960), (880, 316736), (896, 311080), (980, 284416), (1010, 275968), (1024, 272195), (1078, 258560), (1111, 250880), (1120, 248864), (1232, 226240), (1280, 217756), (1408, 197960), (1414, 197120), (1540, 180992), (1568, 177760), (1616, 172480), (1760, 158368), (1792, 155540), (1960, 142208), (2020, 137984), (2156, 129280), (2222, 125440), (2240, 124432), (2464, 113120), (2560, 108878), (2695, 103424), (2816, 98980), (2828, 98560), (3080, 90496), (3136, 88880), (3232, 86240), (3520, 79184), (3535, 78848), (3584, 77770), (3920, 71104), (4040, 68992), (4312, 64640), (4444, 62720), (4480, 62216), (4928, 56560), (4949, 56320), (5120, 54439), (5390, 51712), (5555, 50176), (5632, 49490), (5656, 49280), (6160, 45248), (6272, 44440), (6464, 43120), (7040, 39592), (7070, 39424), (7168, 38885), (7777, 35840), (7840, 35552), (8080, 34496), (8624, 32320), (8888, 31360), (8960, 31108), (9856, 28280), (9898, 28160), (10780, 25856), (11110, 25088), (11264, 24745), (11312, 24640), (12320, 22624), (12544, 22220), (12928, 21560), (14080, 19796), (14140, 19712), (15554, 17920), (15680, 17776), (16160, 17248)]