51181920

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{35543}}^1$

素因数の和:35564

約数の個数: 72

約数和(自身を含む): 174663216

約数和(自身を除く): 123481296

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, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 35543, 71086, 106629, 142172, 177715, 213258, 284344, 319887, 355430, 426516, 533145, 568688, 639774, 710860, 853032, 1066290, 1137376, 1279548, 1421720, 1599435, 1706064, 2132580, 2559096, 2843440, 3198870, 3412128, 4265160, 5118192, 5686880, 6397740, 8530320, 10236384, 12795480, 17060640, 25590960, 51181920]

約数ペア:

[(1, 51181920), (2, 25590960), (3, 17060640), (4, 12795480), (5, 10236384), (6, 8530320), (8, 6397740), (9, 5686880), (10, 5118192), (12, 4265160), (15, 3412128), (16, 3198870), (18, 2843440), (20, 2559096), (24, 2132580), (30, 1706064), (32, 1599435), (36, 1421720), (40, 1279548), (45, 1137376), (48, 1066290), (60, 853032), (72, 710860), (80, 639774), (90, 568688), (96, 533145), (120, 426516), (144, 355430), (160, 319887), (180, 284344), (240, 213258), (288, 177715), (360, 142172), (480, 106629), (720, 71086), (1440, 35543)]