18623520

素因数分解:

$2^5\times 3^5\times 5^1\times {\mathrm{479}}^1$

素因数の和:509

約数の個数: 144

約数和(自身を含む): 66044160

約数和(自身を除く): 47420640

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, 479, 480, 486, 540, 648, 720, 810, 864, 958, 972, 1080, 1215, 1296, 1437, 1440, 1620, 1916, 1944, 2160, 2395, 2430, 2592, 2874, 3240, 3832, 3888, 4311, 4320, 4790, 4860, 5748, 6480, 7185, 7664, 7776, 8622, 9580, 9720, 11496, 12933, 12960, 14370, 15328, 17244, 19160, 19440, 21555, 22992, 25866, 28740, 34488, 38320, 38799, 38880, 43110, 45984, 51732, 57480, 64665, 68976, 76640, 77598, 86220, 103464, 114960, 116397, 129330, 137952, 155196, 172440, 193995, 206928, 229920, 232794, 258660, 310392, 344880, 387990, 413856, 465588, 517320, 581985, 620784, 689760, 775980, 931176, 1034640, 1163970, 1241568, 1551960, 1862352, 2069280, 2327940, 3103920, 3724704, 4655880, 6207840, 9311760, 18623520]

約数ペア:

[(1, 18623520), (2, 9311760), (3, 6207840), (4, 4655880), (5, 3724704), (6, 3103920), (8, 2327940), (9, 2069280), (10, 1862352), (12, 1551960), (15, 1241568), (16, 1163970), (18, 1034640), (20, 931176), (24, 775980), (27, 689760), (30, 620784), (32, 581985), (36, 517320), (40, 465588), (45, 413856), (48, 387990), (54, 344880), (60, 310392), (72, 258660), (80, 232794), (81, 229920), (90, 206928), (96, 193995), (108, 172440), (120, 155196), (135, 137952), (144, 129330), (160, 116397), (162, 114960), (180, 103464), (216, 86220), (240, 77598), (243, 76640), (270, 68976), (288, 64665), (324, 57480), (360, 51732), (405, 45984), (432, 43110), (479, 38880), (480, 38799), (486, 38320), (540, 34488), (648, 28740), (720, 25866), (810, 22992), (864, 21555), (958, 19440), (972, 19160), (1080, 17244), (1215, 15328), (1296, 14370), (1437, 12960), (1440, 12933), (1620, 11496), (1916, 9720), (1944, 9580), (2160, 8622), (2395, 7776), (2430, 7664), (2592, 7185), (2874, 6480), (3240, 5748), (3832, 4860), (3888, 4790), (4311, 4320)]