208523520

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{787}}^1$

素因数の和:837

約数の個数: 216

約数和(自身を含む): 753794496

約数和(自身を除く): 545270976

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 30, 32, 36, 40, 45, 46, 48, 60, 64, 69, 72, 80, 90, 92, 96, 115, 120, 128, 138, 144, 160, 180, 184, 192, 207, 230, 240, 256, 276, 288, 320, 345, 360, 368, 384, 414, 460, 480, 552, 576, 640, 690, 720, 736, 768, 787, 828, 920, 960, 1035, 1104, 1152, 1280, 1380, 1440, 1472, 1574, 1656, 1840, 1920, 2070, 2208, 2304, 2361, 2760, 2880, 2944, 3148, 3312, 3680, 3840, 3935, 4140, 4416, 4722, 5520, 5760, 5888, 6296, 6624, 7083, 7360, 7870, 8280, 8832, 9444, 11040, 11520, 11805, 12592, 13248, 14166, 14720, 15740, 16560, 17664, 18101, 18888, 22080, 23610, 25184, 26496, 28332, 29440, 31480, 33120, 35415, 36202, 37776, 44160, 47220, 50368, 52992, 54303, 56664, 62960, 66240, 70830, 72404, 75552, 88320, 90505, 94440, 100736, 108606, 113328, 125920, 132480, 141660, 144808, 151104, 162909, 181010, 188880, 201472, 217212, 226656, 251840, 264960, 271515, 283320, 289616, 302208, 325818, 362020, 377760, 434424, 453312, 503680, 543030, 566640, 579232, 604416, 651636, 724040, 755520, 814545, 868848, 906624, 1007360, 1086060, 1133280, 1158464, 1303272, 1448080, 1511040, 1629090, 1737696, 1813248, 2172120, 2266560, 2316928, 2606544, 2896160, 3022080, 3258180, 3475392, 4344240, 4533120, 4633856, 5213088, 5792320, 6516360, 6950784, 8688480, 9066240, 10426176, 11584640, 13032720, 13901568, 17376960, 20852352, 23169280, 26065440, 34753920, 41704704, 52130880, 69507840, 104261760, 208523520]

約数ペア:

[(1, 208523520), (2, 104261760), (3, 69507840), (4, 52130880), (5, 41704704), (6, 34753920), (8, 26065440), (9, 23169280), (10, 20852352), (12, 17376960), (15, 13901568), (16, 13032720), (18, 11584640), (20, 10426176), (23, 9066240), (24, 8688480), (30, 6950784), (32, 6516360), (36, 5792320), (40, 5213088), (45, 4633856), (46, 4533120), (48, 4344240), (60, 3475392), (64, 3258180), (69, 3022080), (72, 2896160), (80, 2606544), (90, 2316928), (92, 2266560), (96, 2172120), (115, 1813248), (120, 1737696), (128, 1629090), (138, 1511040), (144, 1448080), (160, 1303272), (180, 1158464), (184, 1133280), (192, 1086060), (207, 1007360), (230, 906624), (240, 868848), (256, 814545), (276, 755520), (288, 724040), (320, 651636), (345, 604416), (360, 579232), (368, 566640), (384, 543030), (414, 503680), (460, 453312), (480, 434424), (552, 377760), (576, 362020), (640, 325818), (690, 302208), (720, 289616), (736, 283320), (768, 271515), (787, 264960), (828, 251840), (920, 226656), (960, 217212), (1035, 201472), (1104, 188880), (1152, 181010), (1280, 162909), (1380, 151104), (1440, 144808), (1472, 141660), (1574, 132480), (1656, 125920), (1840, 113328), (1920, 108606), (2070, 100736), (2208, 94440), (2304, 90505), (2361, 88320), (2760, 75552), (2880, 72404), (2944, 70830), (3148, 66240), (3312, 62960), (3680, 56664), (3840, 54303), (3935, 52992), (4140, 50368), (4416, 47220), (4722, 44160), (5520, 37776), (5760, 36202), (5888, 35415), (6296, 33120), (6624, 31480), (7083, 29440), (7360, 28332), (7870, 26496), (8280, 25184), (8832, 23610), (9444, 22080), (11040, 18888), (11520, 18101), (11805, 17664), (12592, 16560), (13248, 15740), (14166, 14720)]