257549220

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{158981}}^1$

素因数の和:159002

約数の個数: 60

約数和(自身を含む): 807946524

約数和(自身を除く): 550397304

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 158981, 317962, 476943, 635924, 794905, 953886, 1430829, 1589810, 1907772, 2384715, 2861658, 3179620, 4292487, 4769430, 5723316, 7154145, 8584974, 9538860, 12877461, 14308290, 17169948, 21462435, 25754922, 28616580, 42924870, 51509844, 64387305, 85849740, 128774610, 257549220]

約数ペア:

[(1, 257549220), (2, 128774610), (3, 85849740), (4, 64387305), (5, 51509844), (6, 42924870), (9, 28616580), (10, 25754922), (12, 21462435), (15, 17169948), (18, 14308290), (20, 12877461), (27, 9538860), (30, 8584974), (36, 7154145), (45, 5723316), (54, 4769430), (60, 4292487), (81, 3179620), (90, 2861658), (108, 2384715), (135, 1907772), (162, 1589810), (180, 1430829), (270, 953886), (324, 794905), (405, 635924), (540, 476943), (810, 317962), (1620, 158981)]