25647840

素因数分解:

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

素因数の和:2006

約数の個数: 120

約数和(自身を含む): 90561240

約数和(自身を除く): 64913400

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, 270, 288, 324, 360, 405, 432, 480, 540, 648, 720, 810, 864, 1080, 1296, 1440, 1620, 1979, 2160, 2592, 3240, 3958, 4320, 5937, 6480, 7916, 9895, 11874, 12960, 15832, 17811, 19790, 23748, 29685, 31664, 35622, 39580, 47496, 53433, 59370, 63328, 71244, 79160, 89055, 94992, 106866, 118740, 142488, 158320, 160299, 178110, 189984, 213732, 237480, 267165, 284976, 316640, 320598, 356220, 427464, 474960, 534330, 569952, 641196, 712440, 801495, 854928, 949920, 1068660, 1282392, 1424880, 1602990, 1709856, 2137320, 2564784, 2849760, 3205980, 4274640, 5129568, 6411960, 8549280, 12823920, 25647840]

約数ペア:

[(1, 25647840), (2, 12823920), (3, 8549280), (4, 6411960), (5, 5129568), (6, 4274640), (8, 3205980), (9, 2849760), (10, 2564784), (12, 2137320), (15, 1709856), (16, 1602990), (18, 1424880), (20, 1282392), (24, 1068660), (27, 949920), (30, 854928), (32, 801495), (36, 712440), (40, 641196), (45, 569952), (48, 534330), (54, 474960), (60, 427464), (72, 356220), (80, 320598), (81, 316640), (90, 284976), (96, 267165), (108, 237480), (120, 213732), (135, 189984), (144, 178110), (160, 160299), (162, 158320), (180, 142488), (216, 118740), (240, 106866), (270, 94992), (288, 89055), (324, 79160), (360, 71244), (405, 63328), (432, 59370), (480, 53433), (540, 47496), (648, 39580), (720, 35622), (810, 31664), (864, 29685), (1080, 23748), (1296, 19790), (1440, 17811), (1620, 15832), (1979, 12960), (2160, 11874), (2592, 9895), (3240, 7916), (3958, 6480), (4320, 5937)]