205182720

素因数分解:

$2^8\times 3^4\times 5^1\times {\mathrm{1979}}^1$

素因数の和:2012

約数の個数: 180

約数和(自身を含む): 734552280

約数和(自身を除く): 529369560

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, 256, 270, 288, 320, 324, 360, 384, 405, 432, 480, 540, 576, 640, 648, 720, 768, 810, 864, 960, 1080, 1152, 1280, 1296, 1440, 1620, 1728, 1920, 1979, 2160, 2304, 2592, 2880, 3240, 3456, 3840, 3958, 4320, 5184, 5760, 5937, 6480, 6912, 7916, 8640, 9895, 10368, 11520, 11874, 12960, 15832, 17280, 17811, 19790, 20736, 23748, 25920, 29685, 31664, 34560, 35622, 39580, 47496, 51840, 53433, 59370, 63328, 71244, 79160, 89055, 94992, 103680, 106866, 118740, 126656, 142488, 158320, 160299, 178110, 189984, 213732, 237480, 253312, 267165, 284976, 316640, 320598, 356220, 379968, 427464, 474960, 506624, 534330, 569952, 633280, 641196, 712440, 759936, 801495, 854928, 949920, 1068660, 1139904, 1266560, 1282392, 1424880, 1519872, 1602990, 1709856, 1899840, 2137320, 2279808, 2533120, 2564784, 2849760, 3205980, 3419712, 3799680, 4274640, 4559616, 5129568, 5699520, 6411960, 6839424, 7599360, 8549280, 10259136, 11399040, 12823920, 13678848, 17098560, 20518272, 22798080, 25647840, 34197120, 41036544, 51295680, 68394240, 102591360, 205182720]

約数ペア:

[(1, 205182720), (2, 102591360), (3, 68394240), (4, 51295680), (5, 41036544), (6, 34197120), (8, 25647840), (9, 22798080), (10, 20518272), (12, 17098560), (15, 13678848), (16, 12823920), (18, 11399040), (20, 10259136), (24, 8549280), (27, 7599360), (30, 6839424), (32, 6411960), (36, 5699520), (40, 5129568), (45, 4559616), (48, 4274640), (54, 3799680), (60, 3419712), (64, 3205980), (72, 2849760), (80, 2564784), (81, 2533120), (90, 2279808), (96, 2137320), (108, 1899840), (120, 1709856), (128, 1602990), (135, 1519872), (144, 1424880), (160, 1282392), (162, 1266560), (180, 1139904), (192, 1068660), (216, 949920), (240, 854928), (256, 801495), (270, 759936), (288, 712440), (320, 641196), (324, 633280), (360, 569952), (384, 534330), (405, 506624), (432, 474960), (480, 427464), (540, 379968), (576, 356220), (640, 320598), (648, 316640), (720, 284976), (768, 267165), (810, 253312), (864, 237480), (960, 213732), (1080, 189984), (1152, 178110), (1280, 160299), (1296, 158320), (1440, 142488), (1620, 126656), (1728, 118740), (1920, 106866), (1979, 103680), (2160, 94992), (2304, 89055), (2592, 79160), (2880, 71244), (3240, 63328), (3456, 59370), (3840, 53433), (3958, 51840), (4320, 47496), (5184, 39580), (5760, 35622), (5937, 34560), (6480, 31664), (6912, 29685), (7916, 25920), (8640, 23748), (9895, 20736), (10368, 19790), (11520, 17811), (11874, 17280), (12960, 15832)]