68389920

素因数分解:

$2^5\times 3^5\times 5^1\times {\mathrm{1759}}^1$

素因数の和:1789

約数の個数: 144

約数和(自身を含む): 242161920

約数和(自身を除く): 173772000

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, 72, 80, 81, 90, 96, 108, 120, 135, 144, 160, 162, 180, 216, 240, 243, 270, 288, 324, 360, 405, 432, 480, 486, 540, 648, 720, 810, 864, 972, 1080, 1215, 1296, 1440, 1620, 1759, 1944, 2160, 2430, 2592, 3240, 3518, 3888, 4320, 4860, 5277, 6480, 7036, 7776, 8795, 9720, 10554, 12960, 14072, 15831, 17590, 19440, 21108, 26385, 28144, 31662, 35180, 38880, 42216, 47493, 52770, 56288, 63324, 70360, 79155, 84432, 94986, 105540, 126648, 140720, 142479, 158310, 168864, 189972, 211080, 237465, 253296, 281440, 284958, 316620, 379944, 422160, 427437, 474930, 506592, 569916, 633240, 712395, 759888, 844320, 854874, 949860, 1139832, 1266480, 1424790, 1519776, 1709748, 1899720, 2137185, 2279664, 2532960, 2849580, 3419496, 3799440, 4274370, 4559328, 5699160, 6838992, 7598880, 8548740, 11398320, 13677984, 17097480, 22796640, 34194960, 68389920]

約数ペア:

[(1, 68389920), (2, 34194960), (3, 22796640), (4, 17097480), (5, 13677984), (6, 11398320), (8, 8548740), (9, 7598880), (10, 6838992), (12, 5699160), (15, 4559328), (16, 4274370), (18, 3799440), (20, 3419496), (24, 2849580), (27, 2532960), (30, 2279664), (32, 2137185), (36, 1899720), (40, 1709748), (45, 1519776), (48, 1424790), (54, 1266480), (60, 1139832), (72, 949860), (80, 854874), (81, 844320), (90, 759888), (96, 712395), (108, 633240), (120, 569916), (135, 506592), (144, 474930), (160, 427437), (162, 422160), (180, 379944), (216, 316620), (240, 284958), (243, 281440), (270, 253296), (288, 237465), (324, 211080), (360, 189972), (405, 168864), (432, 158310), (480, 142479), (486, 140720), (540, 126648), (648, 105540), (720, 94986), (810, 84432), (864, 79155), (972, 70360), (1080, 63324), (1215, 56288), (1296, 52770), (1440, 47493), (1620, 42216), (1759, 38880), (1944, 35180), (2160, 31662), (2430, 28144), (2592, 26385), (3240, 21108), (3518, 19440), (3888, 17590), (4320, 15831), (4860, 14072), (5277, 12960), (6480, 10554), (7036, 9720), (7776, 8795)]