81764640

素因数分解:

$2^5\times 3^6\times 5^1\times {\mathrm{701}}^1$

素因数の和:734

約数の個数: 168

約数和(自身を含む): 290034108

約数和(自身を除く): 208269468

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, 480, 486, 540, 648, 701, 720, 729, 810, 864, 972, 1080, 1215, 1296, 1402, 1440, 1458, 1620, 1944, 2103, 2160, 2430, 2592, 2804, 2916, 3240, 3505, 3645, 3888, 4206, 4320, 4860, 5608, 5832, 6309, 6480, 7010, 7290, 7776, 8412, 9720, 10515, 11216, 11664, 12618, 12960, 14020, 14580, 16824, 18927, 19440, 21030, 22432, 23328, 25236, 28040, 29160, 31545, 33648, 37854, 38880, 42060, 50472, 56080, 56781, 58320, 63090, 67296, 75708, 84120, 94635, 100944, 112160, 113562, 116640, 126180, 151416, 168240, 170343, 189270, 201888, 227124, 252360, 283905, 302832, 336480, 340686, 378540, 454248, 504720, 511029, 567810, 605664, 681372, 757080, 851715, 908496, 1009440, 1022058, 1135620, 1362744, 1514160, 1703430, 1816992, 2044116, 2271240, 2555145, 2725488, 3028320, 3406860, 4088232, 4542480, 5110290, 5450976, 6813720, 8176464, 9084960, 10220580, 13627440, 16352928, 20441160, 27254880, 40882320, 81764640]

約数ペア:

[(1, 81764640), (2, 40882320), (3, 27254880), (4, 20441160), (5, 16352928), (6, 13627440), (8, 10220580), (9, 9084960), (10, 8176464), (12, 6813720), (15, 5450976), (16, 5110290), (18, 4542480), (20, 4088232), (24, 3406860), (27, 3028320), (30, 2725488), (32, 2555145), (36, 2271240), (40, 2044116), (45, 1816992), (48, 1703430), (54, 1514160), (60, 1362744), (72, 1135620), (80, 1022058), (81, 1009440), (90, 908496), (96, 851715), (108, 757080), (120, 681372), (135, 605664), (144, 567810), (160, 511029), (162, 504720), (180, 454248), (216, 378540), (240, 340686), (243, 336480), (270, 302832), (288, 283905), (324, 252360), (360, 227124), (405, 201888), (432, 189270), (480, 170343), (486, 168240), (540, 151416), (648, 126180), (701, 116640), (720, 113562), (729, 112160), (810, 100944), (864, 94635), (972, 84120), (1080, 75708), (1215, 67296), (1296, 63090), (1402, 58320), (1440, 56781), (1458, 56080), (1620, 50472), (1944, 42060), (2103, 38880), (2160, 37854), (2430, 33648), (2592, 31545), (2804, 29160), (2916, 28040), (3240, 25236), (3505, 23328), (3645, 22432), (3888, 21030), (4206, 19440), (4320, 18927), (4860, 16824), (5608, 14580), (5832, 14020), (6309, 12960), (6480, 12618), (7010, 11664), (7290, 11216), (7776, 10515), (8412, 9720)]