21055680

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{2437}}^1$

素因数の和:2463

約数の個数: 112

約数和(自身を含む): 74310240

約数和(自身を除く): 53254560

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, 90, 96, 108, 120, 135, 144, 160, 180, 192, 216, 240, 270, 288, 320, 360, 432, 480, 540, 576, 720, 864, 960, 1080, 1440, 1728, 2160, 2437, 2880, 4320, 4874, 7311, 8640, 9748, 12185, 14622, 19496, 21933, 24370, 29244, 36555, 38992, 43866, 48740, 58488, 65799, 73110, 77984, 87732, 97480, 109665, 116976, 131598, 146220, 155968, 175464, 194960, 219330, 233952, 263196, 292440, 328995, 350928, 389920, 438660, 467904, 526392, 584880, 657990, 701856, 779840, 877320, 1052784, 1169760, 1315980, 1403712, 1754640, 2105568, 2339520, 2631960, 3509280, 4211136, 5263920, 7018560, 10527840, 21055680]

約数ペア:

[(1, 21055680), (2, 10527840), (3, 7018560), (4, 5263920), (5, 4211136), (6, 3509280), (8, 2631960), (9, 2339520), (10, 2105568), (12, 1754640), (15, 1403712), (16, 1315980), (18, 1169760), (20, 1052784), (24, 877320), (27, 779840), (30, 701856), (32, 657990), (36, 584880), (40, 526392), (45, 467904), (48, 438660), (54, 389920), (60, 350928), (64, 328995), (72, 292440), (80, 263196), (90, 233952), (96, 219330), (108, 194960), (120, 175464), (135, 155968), (144, 146220), (160, 131598), (180, 116976), (192, 109665), (216, 97480), (240, 87732), (270, 77984), (288, 73110), (320, 65799), (360, 58488), (432, 48740), (480, 43866), (540, 38992), (576, 36555), (720, 29244), (864, 24370), (960, 21933), (1080, 19496), (1440, 14622), (1728, 12185), (2160, 9748), (2437, 8640), (2880, 7311), (4320, 4874)]