205781760

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{17863}}^1$

素因数の和:17890

約数の個数: 108

約数和(自身を含む): 712023312

約数和(自身を除く): 506241552

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, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 256, 288, 320, 360, 384, 480, 576, 640, 720, 768, 960, 1152, 1280, 1440, 1920, 2304, 2880, 3840, 5760, 11520, 17863, 35726, 53589, 71452, 89315, 107178, 142904, 160767, 178630, 214356, 267945, 285808, 321534, 357260, 428712, 535890, 571616, 643068, 714520, 803835, 857424, 1071780, 1143232, 1286136, 1429040, 1607670, 1714848, 2143560, 2286464, 2572272, 2858080, 3215340, 3429696, 4287120, 4572928, 5144544, 5716160, 6430680, 6859392, 8574240, 10289088, 11432320, 12861360, 13718784, 17148480, 20578176, 22864640, 25722720, 34296960, 41156352, 51445440, 68593920, 102890880, 205781760]

約数ペア:

[(1, 205781760), (2, 102890880), (3, 68593920), (4, 51445440), (5, 41156352), (6, 34296960), (8, 25722720), (9, 22864640), (10, 20578176), (12, 17148480), (15, 13718784), (16, 12861360), (18, 11432320), (20, 10289088), (24, 8574240), (30, 6859392), (32, 6430680), (36, 5716160), (40, 5144544), (45, 4572928), (48, 4287120), (60, 3429696), (64, 3215340), (72, 2858080), (80, 2572272), (90, 2286464), (96, 2143560), (120, 1714848), (128, 1607670), (144, 1429040), (160, 1286136), (180, 1143232), (192, 1071780), (240, 857424), (256, 803835), (288, 714520), (320, 643068), (360, 571616), (384, 535890), (480, 428712), (576, 357260), (640, 321534), (720, 285808), (768, 267945), (960, 214356), (1152, 178630), (1280, 160767), (1440, 142904), (1920, 107178), (2304, 89315), (2880, 71452), (3840, 53589), (5760, 35726), (11520, 17863)]