205421760

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{71327}}^1$

素因数の和:71350

約数の個数: 84

約数和(自身を含む): 706575168

約数和(自身を除く): 501153408

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, 144, 160, 180, 192, 240, 288, 320, 360, 480, 576, 720, 960, 1440, 2880, 71327, 142654, 213981, 285308, 356635, 427962, 570616, 641943, 713270, 855924, 1069905, 1141232, 1283886, 1426540, 1711848, 2139810, 2282464, 2567772, 2853080, 3209715, 3423696, 4279620, 4564928, 5135544, 5706160, 6419430, 6847392, 8559240, 10271088, 11412320, 12838860, 13694784, 17118480, 20542176, 22824640, 25677720, 34236960, 41084352, 51355440, 68473920, 102710880, 205421760]

約数ペア:

[(1, 205421760), (2, 102710880), (3, 68473920), (4, 51355440), (5, 41084352), (6, 34236960), (8, 25677720), (9, 22824640), (10, 20542176), (12, 17118480), (15, 13694784), (16, 12838860), (18, 11412320), (20, 10271088), (24, 8559240), (30, 6847392), (32, 6419430), (36, 5706160), (40, 5135544), (45, 4564928), (48, 4279620), (60, 3423696), (64, 3209715), (72, 2853080), (80, 2567772), (90, 2282464), (96, 2139810), (120, 1711848), (144, 1426540), (160, 1283886), (180, 1141232), (192, 1069905), (240, 855924), (288, 713270), (320, 641943), (360, 570616), (480, 427962), (576, 356635), (720, 285308), (960, 213981), (1440, 142654), (2880, 71327)]