820186560

素因数分解:

$2^6\times 3^4\times 5^1\times {\mathrm{31643}}^1$

素因数の和:31672

約数の個数: 140

約数和(自身を含む): 2917640088

約数和(自身を除く): 2097453528

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, 2880, 3240, 4320, 5184, 6480, 8640, 12960, 25920, 31643, 63286, 94929, 126572, 158215, 189858, 253144, 284787, 316430, 379716, 474645, 506288, 569574, 632860, 759432, 854361, 949290, 1012576, 1139148, 1265720, 1423935, 1518864, 1708722, 1898580, 2025152, 2278296, 2531440, 2563083, 2847870, 3037728, 3417444, 3797160, 4271805, 4556592, 5062880, 5126166, 5695740, 6075456, 6834888, 7594320, 8543610, 9113184, 10125760, 10252332, 11391480, 12815415, 13669776, 15188640, 17087220, 18226368, 20504664, 22782960, 25630830, 27339552, 30377280, 34174440, 41009328, 45565920, 51261660, 54679104, 68348880, 82018656, 91131840, 102523320, 136697760, 164037312, 205046640, 273395520, 410093280, 820186560]

約数ペア:

[(1, 820186560), (2, 410093280), (3, 273395520), (4, 205046640), (5, 164037312), (6, 136697760), (8, 102523320), (9, 91131840), (10, 82018656), (12, 68348880), (15, 54679104), (16, 51261660), (18, 45565920), (20, 41009328), (24, 34174440), (27, 30377280), (30, 27339552), (32, 25630830), (36, 22782960), (40, 20504664), (45, 18226368), (48, 17087220), (54, 15188640), (60, 13669776), (64, 12815415), (72, 11391480), (80, 10252332), (81, 10125760), (90, 9113184), (96, 8543610), (108, 7594320), (120, 6834888), (135, 6075456), (144, 5695740), (160, 5126166), (162, 5062880), (180, 4556592), (192, 4271805), (216, 3797160), (240, 3417444), (270, 3037728), (288, 2847870), (320, 2563083), (324, 2531440), (360, 2278296), (405, 2025152), (432, 1898580), (480, 1708722), (540, 1518864), (576, 1423935), (648, 1265720), (720, 1139148), (810, 1012576), (864, 949290), (960, 854361), (1080, 759432), (1296, 632860), (1440, 569574), (1620, 506288), (1728, 474645), (2160, 379716), (2592, 316430), (2880, 284787), (3240, 253144), (4320, 189858), (5184, 158215), (6480, 126572), (8640, 94929), (12960, 63286), (25920, 31643)]