209213280

素因数分解:

$2^5\times 3^5\times 5^1\times {\mathrm{5381}}^1$

素因数の和:5411

約数の個数: 144

約数和(自身を含む): 740520144

約数和(自身を除く): 531306864

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, 720, 810, 864, 972, 1080, 1215, 1296, 1440, 1620, 1944, 2160, 2430, 2592, 3240, 3888, 4320, 4860, 5381, 6480, 7776, 9720, 10762, 12960, 16143, 19440, 21524, 26905, 32286, 38880, 43048, 48429, 53810, 64572, 80715, 86096, 96858, 107620, 129144, 145287, 161430, 172192, 193716, 215240, 242145, 258288, 290574, 322860, 387432, 430480, 435861, 484290, 516576, 581148, 645720, 726435, 774864, 860960, 871722, 968580, 1162296, 1291440, 1307583, 1452870, 1549728, 1743444, 1937160, 2179305, 2324592, 2582880, 2615166, 2905740, 3486888, 3874320, 4358610, 4649184, 5230332, 5811480, 6537915, 6973776, 7748640, 8717220, 10460664, 11622960, 13075830, 13947552, 17434440, 20921328, 23245920, 26151660, 34868880, 41842656, 52303320, 69737760, 104606640, 209213280]

約数ペア:

[(1, 209213280), (2, 104606640), (3, 69737760), (4, 52303320), (5, 41842656), (6, 34868880), (8, 26151660), (9, 23245920), (10, 20921328), (12, 17434440), (15, 13947552), (16, 13075830), (18, 11622960), (20, 10460664), (24, 8717220), (27, 7748640), (30, 6973776), (32, 6537915), (36, 5811480), (40, 5230332), (45, 4649184), (48, 4358610), (54, 3874320), (60, 3486888), (72, 2905740), (80, 2615166), (81, 2582880), (90, 2324592), (96, 2179305), (108, 1937160), (120, 1743444), (135, 1549728), (144, 1452870), (160, 1307583), (162, 1291440), (180, 1162296), (216, 968580), (240, 871722), (243, 860960), (270, 774864), (288, 726435), (324, 645720), (360, 581148), (405, 516576), (432, 484290), (480, 435861), (486, 430480), (540, 387432), (648, 322860), (720, 290574), (810, 258288), (864, 242145), (972, 215240), (1080, 193716), (1215, 172192), (1296, 161430), (1440, 145287), (1620, 129144), (1944, 107620), (2160, 96858), (2430, 86096), (2592, 80715), (3240, 64572), (3888, 53810), (4320, 48429), (4860, 43048), (5381, 38880), (6480, 32286), (7776, 26905), (9720, 21524), (10762, 19440), (12960, 16143)]