205046640

素因数分解:

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

素因数の和:31668

約数の個数: 100

約数和(自身を含む): 712179864

約数和(自身を除く): 507133224

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 135, 144, 162, 180, 216, 240, 270, 324, 360, 405, 432, 540, 648, 720, 810, 1080, 1296, 1620, 2160, 3240, 6480, 31643, 63286, 94929, 126572, 158215, 189858, 253144, 284787, 316430, 379716, 474645, 506288, 569574, 632860, 759432, 854361, 949290, 1139148, 1265720, 1423935, 1518864, 1708722, 1898580, 2278296, 2531440, 2563083, 2847870, 3417444, 3797160, 4271805, 4556592, 5126166, 5695740, 6834888, 7594320, 8543610, 10252332, 11391480, 12815415, 13669776, 17087220, 20504664, 22782960, 25630830, 34174440, 41009328, 51261660, 68348880, 102523320, 205046640]

約数ペア:

[(1, 205046640), (2, 102523320), (3, 68348880), (4, 51261660), (5, 41009328), (6, 34174440), (8, 25630830), (9, 22782960), (10, 20504664), (12, 17087220), (15, 13669776), (16, 12815415), (18, 11391480), (20, 10252332), (24, 8543610), (27, 7594320), (30, 6834888), (36, 5695740), (40, 5126166), (45, 4556592), (48, 4271805), (54, 3797160), (60, 3417444), (72, 2847870), (80, 2563083), (81, 2531440), (90, 2278296), (108, 1898580), (120, 1708722), (135, 1518864), (144, 1423935), (162, 1265720), (180, 1139148), (216, 949290), (240, 854361), (270, 759432), (324, 632860), (360, 569574), (405, 506288), (432, 474645), (540, 379716), (648, 316430), (720, 284787), (810, 253144), (1080, 189858), (1296, 158215), (1620, 126572), (2160, 94929), (3240, 63286), (6480, 31643)]