208285920

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1327}}^1$

素因数の和:1457

約数の個数: 144

約数和(自身を含む): 717837120

約数和(自身を除く): 509551200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 109, 120, 144, 160, 180, 218, 240, 288, 327, 360, 436, 480, 545, 654, 720, 872, 981, 1090, 1308, 1327, 1440, 1635, 1744, 1962, 2180, 2616, 2654, 3270, 3488, 3924, 3981, 4360, 4905, 5232, 5308, 6540, 6635, 7848, 7962, 8720, 9810, 10464, 10616, 11943, 13080, 13270, 15696, 15924, 17440, 19620, 19905, 21232, 23886, 26160, 26540, 31392, 31848, 39240, 39810, 42464, 47772, 52320, 53080, 59715, 63696, 78480, 79620, 95544, 106160, 119430, 127392, 144643, 156960, 159240, 191088, 212320, 238860, 289286, 318480, 382176, 433929, 477720, 578572, 636960, 723215, 867858, 955440, 1157144, 1301787, 1446430, 1735716, 1910880, 2169645, 2314288, 2603574, 2892860, 3471432, 4339290, 4628576, 5207148, 5785720, 6508935, 6942864, 8678580, 10414296, 11571440, 13017870, 13885728, 17357160, 20828592, 23142880, 26035740, 34714320, 41657184, 52071480, 69428640, 104142960, 208285920]

約数ペア:

[(1, 208285920), (2, 104142960), (3, 69428640), (4, 52071480), (5, 41657184), (6, 34714320), (8, 26035740), (9, 23142880), (10, 20828592), (12, 17357160), (15, 13885728), (16, 13017870), (18, 11571440), (20, 10414296), (24, 8678580), (30, 6942864), (32, 6508935), (36, 5785720), (40, 5207148), (45, 4628576), (48, 4339290), (60, 3471432), (72, 2892860), (80, 2603574), (90, 2314288), (96, 2169645), (109, 1910880), (120, 1735716), (144, 1446430), (160, 1301787), (180, 1157144), (218, 955440), (240, 867858), (288, 723215), (327, 636960), (360, 578572), (436, 477720), (480, 433929), (545, 382176), (654, 318480), (720, 289286), (872, 238860), (981, 212320), (1090, 191088), (1308, 159240), (1327, 156960), (1440, 144643), (1635, 127392), (1744, 119430), (1962, 106160), (2180, 95544), (2616, 79620), (2654, 78480), (3270, 63696), (3488, 59715), (3924, 53080), (3981, 52320), (4360, 47772), (4905, 42464), (5232, 39810), (5308, 39240), (6540, 31848), (6635, 31392), (7848, 26540), (7962, 26160), (8720, 23886), (9810, 21232), (10464, 19905), (10616, 19620), (11943, 17440), (13080, 15924), (13270, 15696)]