72290880

素因数分解:

$2^6\times 3^4\times 5^1\times {\mathrm{2789}}^1$

素因数の和:2818

約数の個数: 140

約数和(自身を含む): 257243580

約数和(自身を除く): 184952700

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, 2789, 2880, 3240, 4320, 5184, 5578, 6480, 8367, 8640, 11156, 12960, 13945, 16734, 22312, 25101, 25920, 27890, 33468, 41835, 44624, 50202, 55780, 66936, 75303, 83670, 89248, 100404, 111560, 125505, 133872, 150606, 167340, 178496, 200808, 223120, 225909, 251010, 267744, 301212, 334680, 376515, 401616, 446240, 451818, 502020, 535488, 602424, 669360, 753030, 803232, 892480, 903636, 1004040, 1129545, 1204848, 1338720, 1506060, 1606464, 1807272, 2008080, 2259090, 2409696, 2677440, 3012120, 3614544, 4016160, 4518180, 4819392, 6024240, 7229088, 8032320, 9036360, 12048480, 14458176, 18072720, 24096960, 36145440, 72290880]

約数ペア:

[(1, 72290880), (2, 36145440), (3, 24096960), (4, 18072720), (5, 14458176), (6, 12048480), (8, 9036360), (9, 8032320), (10, 7229088), (12, 6024240), (15, 4819392), (16, 4518180), (18, 4016160), (20, 3614544), (24, 3012120), (27, 2677440), (30, 2409696), (32, 2259090), (36, 2008080), (40, 1807272), (45, 1606464), (48, 1506060), (54, 1338720), (60, 1204848), (64, 1129545), (72, 1004040), (80, 903636), (81, 892480), (90, 803232), (96, 753030), (108, 669360), (120, 602424), (135, 535488), (144, 502020), (160, 451818), (162, 446240), (180, 401616), (192, 376515), (216, 334680), (240, 301212), (270, 267744), (288, 251010), (320, 225909), (324, 223120), (360, 200808), (405, 178496), (432, 167340), (480, 150606), (540, 133872), (576, 125505), (648, 111560), (720, 100404), (810, 89248), (864, 83670), (960, 75303), (1080, 66936), (1296, 55780), (1440, 50202), (1620, 44624), (1728, 41835), (2160, 33468), (2592, 27890), (2789, 25920), (2880, 25101), (3240, 22312), (4320, 16734), (5184, 13945), (5578, 12960), (6480, 11156), (8367, 8640)]