820523520

素因数分解:

$2^9\times 3^5\times 5^1\times {\mathrm{1319}}^1$

素因数の和:1357

約数の個数: 240

約数和(自身を含む): 2949186240

約数和(自身を除く): 2128662720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 81, 90, 96, 108, 120, 128, 135, 144, 160, 162, 180, 192, 216, 240, 243, 256, 270, 288, 320, 324, 360, 384, 405, 432, 480, 486, 512, 540, 576, 640, 648, 720, 768, 810, 864, 960, 972, 1080, 1152, 1215, 1280, 1296, 1319, 1440, 1536, 1620, 1728, 1920, 1944, 2160, 2304, 2430, 2560, 2592, 2638, 2880, 3240, 3456, 3840, 3888, 3957, 4320, 4608, 4860, 5184, 5276, 5760, 6480, 6595, 6912, 7680, 7776, 7914, 8640, 9720, 10368, 10552, 11520, 11871, 12960, 13190, 13824, 15552, 15828, 17280, 19440, 19785, 20736, 21104, 23040, 23742, 25920, 26380, 31104, 31656, 34560, 35613, 38880, 39570, 41472, 42208, 47484, 51840, 52760, 59355, 62208, 63312, 69120, 71226, 77760, 79140, 84416, 94968, 103680, 105520, 106839, 118710, 124416, 126624, 142452, 155520, 158280, 168832, 178065, 189936, 207360, 211040, 213678, 237420, 253248, 284904, 311040, 316560, 320517, 337664, 356130, 379872, 422080, 427356, 474840, 506496, 534195, 569808, 622080, 633120, 641034, 675328, 712260, 759744, 844160, 854712, 949680, 1012992, 1068390, 1139616, 1266240, 1282068, 1424520, 1519488, 1602585, 1688320, 1709424, 1899360, 2025984, 2136780, 2279232, 2532480, 2564136, 2849040, 3038976, 3205170, 3376640, 3418848, 3798720, 4273560, 4558464, 5064960, 5128272, 5698080, 6077952, 6410340, 6837696, 7597440, 8547120, 9116928, 10129920, 10256544, 11396160, 12820680, 13675392, 15194880, 17094240, 18233856, 20513088, 22792320, 25641360, 27350784, 30389760, 34188480, 41026176, 45584640, 51282720, 54701568, 68376960, 82052352, 91169280, 102565440, 136753920, 164104704, 205130880, 273507840, 410261760, 820523520]

約数ペア:

[(1, 820523520), (2, 410261760), (3, 273507840), (4, 205130880), (5, 164104704), (6, 136753920), (8, 102565440), (9, 91169280), (10, 82052352), (12, 68376960), (15, 54701568), (16, 51282720), (18, 45584640), (20, 41026176), (24, 34188480), (27, 30389760), (30, 27350784), (32, 25641360), (36, 22792320), (40, 20513088), (45, 18233856), (48, 17094240), (54, 15194880), (60, 13675392), (64, 12820680), (72, 11396160), (80, 10256544), (81, 10129920), (90, 9116928), (96, 8547120), (108, 7597440), (120, 6837696), (128, 6410340), (135, 6077952), (144, 5698080), (160, 5128272), (162, 5064960), (180, 4558464), (192, 4273560), (216, 3798720), (240, 3418848), (243, 3376640), (256, 3205170), (270, 3038976), (288, 2849040), (320, 2564136), (324, 2532480), (360, 2279232), (384, 2136780), (405, 2025984), (432, 1899360), (480, 1709424), (486, 1688320), (512, 1602585), (540, 1519488), (576, 1424520), (640, 1282068), (648, 1266240), (720, 1139616), (768, 1068390), (810, 1012992), (864, 949680), (960, 854712), (972, 844160), (1080, 759744), (1152, 712260), (1215, 675328), (1280, 641034), (1296, 633120), (1319, 622080), (1440, 569808), (1536, 534195), (1620, 506496), (1728, 474840), (1920, 427356), (1944, 422080), (2160, 379872), (2304, 356130), (2430, 337664), (2560, 320517), (2592, 316560), (2638, 311040), (2880, 284904), (3240, 253248), (3456, 237420), (3840, 213678), (3888, 211040), (3957, 207360), (4320, 189936), (4608, 178065), (4860, 168832), (5184, 158280), (5276, 155520), (5760, 142452), (6480, 126624), (6595, 124416), (6912, 118710), (7680, 106839), (7776, 105520), (7914, 103680), (8640, 94968), (9720, 84416), (10368, 79140), (10552, 77760), (11520, 71226), (11871, 69120), (12960, 63312), (13190, 62208), (13824, 59355), (15552, 52760), (15828, 51840), (17280, 47484), (19440, 42208), (19785, 41472), (20736, 39570), (21104, 38880), (23040, 35613), (23742, 34560), (25920, 31656), (26380, 31104)]