71720640

素因数分解:

$2^6\times 3^4\times 5^1\times {\mathrm{2767}}^1$

素因数の和:2796

約数の個数: 140

約数和(自身を含む): 255215136

約数和(自身を除く): 183494496

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, 135, 144, 160, 162, 180, 192, 216, 240, 270, 288, 320, 324, 360, 405, 432, 480, 540, 576, 648, 720, 810, 864, 960, 1080, 1296, 1440, 1620, 1728, 2160, 2592, 2767, 2880, 3240, 4320, 5184, 5534, 6480, 8301, 8640, 11068, 12960, 13835, 16602, 22136, 24903, 25920, 27670, 33204, 41505, 44272, 49806, 55340, 66408, 74709, 83010, 88544, 99612, 110680, 124515, 132816, 149418, 166020, 177088, 199224, 221360, 224127, 249030, 265632, 298836, 332040, 373545, 398448, 442720, 448254, 498060, 531264, 597672, 664080, 747090, 796896, 885440, 896508, 996120, 1120635, 1195344, 1328160, 1494180, 1593792, 1793016, 1992240, 2241270, 2390688, 2656320, 2988360, 3586032, 3984480, 4482540, 4781376, 5976720, 7172064, 7968960, 8965080, 11953440, 14344128, 17930160, 23906880, 35860320, 71720640]

約数ペア:

[(1, 71720640), (2, 35860320), (3, 23906880), (4, 17930160), (5, 14344128), (6, 11953440), (8, 8965080), (9, 7968960), (10, 7172064), (12, 5976720), (15, 4781376), (16, 4482540), (18, 3984480), (20, 3586032), (24, 2988360), (27, 2656320), (30, 2390688), (32, 2241270), (36, 1992240), (40, 1793016), (45, 1593792), (48, 1494180), (54, 1328160), (60, 1195344), (64, 1120635), (72, 996120), (80, 896508), (81, 885440), (90, 796896), (96, 747090), (108, 664080), (120, 597672), (135, 531264), (144, 498060), (160, 448254), (162, 442720), (180, 398448), (192, 373545), (216, 332040), (240, 298836), (270, 265632), (288, 249030), (320, 224127), (324, 221360), (360, 199224), (405, 177088), (432, 166020), (480, 149418), (540, 132816), (576, 124515), (648, 110680), (720, 99612), (810, 88544), (864, 83010), (960, 74709), (1080, 66408), (1296, 55340), (1440, 49806), (1620, 44272), (1728, 41505), (2160, 33204), (2592, 27670), (2767, 25920), (2880, 24903), (3240, 22136), (4320, 16602), (5184, 13835), (5534, 12960), (6480, 11068), (8301, 8640)]