209977920

素因数分解:

$2^6\times 3^4\times 5^1\times {\mathrm{8101}}^1$

素因数の和:8130

約数の個数: 140

約数和(自身を含む): 747020604

約数和(自身を除く): 537042684

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, 8101, 8640, 12960, 16202, 24303, 25920, 32404, 40505, 48606, 64808, 72909, 81010, 97212, 121515, 129616, 145818, 162020, 194424, 218727, 243030, 259232, 291636, 324040, 364545, 388848, 437454, 486060, 518464, 583272, 648080, 656181, 729090, 777696, 874908, 972120, 1093635, 1166544, 1296160, 1312362, 1458180, 1555392, 1749816, 1944240, 2187270, 2333088, 2592320, 2624724, 2916360, 3280905, 3499632, 3888480, 4374540, 4666176, 5249448, 5832720, 6561810, 6999264, 7776960, 8749080, 10498896, 11665440, 13123620, 13998528, 17498160, 20997792, 23330880, 26247240, 34996320, 41995584, 52494480, 69992640, 104988960, 209977920]

約数ペア:

[(1, 209977920), (2, 104988960), (3, 69992640), (4, 52494480), (5, 41995584), (6, 34996320), (8, 26247240), (9, 23330880), (10, 20997792), (12, 17498160), (15, 13998528), (16, 13123620), (18, 11665440), (20, 10498896), (24, 8749080), (27, 7776960), (30, 6999264), (32, 6561810), (36, 5832720), (40, 5249448), (45, 4666176), (48, 4374540), (54, 3888480), (60, 3499632), (64, 3280905), (72, 2916360), (80, 2624724), (81, 2592320), (90, 2333088), (96, 2187270), (108, 1944240), (120, 1749816), (135, 1555392), (144, 1458180), (160, 1312362), (162, 1296160), (180, 1166544), (192, 1093635), (216, 972120), (240, 874908), (270, 777696), (288, 729090), (320, 656181), (324, 648080), (360, 583272), (405, 518464), (432, 486060), (480, 437454), (540, 388848), (576, 364545), (648, 324040), (720, 291636), (810, 259232), (864, 243030), (960, 218727), (1080, 194424), (1296, 162020), (1440, 145818), (1620, 129616), (1728, 121515), (2160, 97212), (2592, 81010), (2880, 72909), (3240, 64808), (4320, 48606), (5184, 40505), (6480, 32404), (8101, 25920), (8640, 24303), (12960, 16202)]