20775431520

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{281}}^1\times {\mathrm{51343}}^1$

素因数の和:51645

約数の個数: 144

約数和(自身を含む): 71149845312

約数和(自身を除く): 50374413792

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, 281, 288, 360, 480, 562, 720, 843, 1124, 1405, 1440, 1686, 2248, 2529, 2810, 3372, 4215, 4496, 5058, 5620, 6744, 8430, 8992, 10116, 11240, 12645, 13488, 16860, 20232, 22480, 25290, 26976, 33720, 40464, 44960, 50580, 51343, 67440, 80928, 101160, 102686, 134880, 154029, 202320, 205372, 256715, 308058, 404640, 410744, 462087, 513430, 616116, 770145, 821488, 924174, 1026860, 1232232, 1540290, 1642976, 1848348, 2053720, 2310435, 2464464, 3080580, 3696696, 4107440, 4620870, 4928928, 6161160, 7393392, 8214880, 9241740, 12322320, 14427383, 14786784, 18483480, 24644640, 28854766, 36966960, 43282149, 57709532, 72136915, 73933920, 86564298, 115419064, 129846447, 144273830, 173128596, 216410745, 230838128, 259692894, 288547660, 346257192, 432821490, 461676256, 519385788, 577095320, 649232235, 692514384, 865642980, 1038771576, 1154190640, 1298464470, 1385028768, 1731285960, 2077543152, 2308381280, 2596928940, 3462571920, 4155086304, 5193857880, 6925143840, 10387715760, 20775431520]

約数ペア:

[(1, 20775431520), (2, 10387715760), (3, 6925143840), (4, 5193857880), (5, 4155086304), (6, 3462571920), (8, 2596928940), (9, 2308381280), (10, 2077543152), (12, 1731285960), (15, 1385028768), (16, 1298464470), (18, 1154190640), (20, 1038771576), (24, 865642980), (30, 692514384), (32, 649232235), (36, 577095320), (40, 519385788), (45, 461676256), (48, 432821490), (60, 346257192), (72, 288547660), (80, 259692894), (90, 230838128), (96, 216410745), (120, 173128596), (144, 144273830), (160, 129846447), (180, 115419064), (240, 86564298), (281, 73933920), (288, 72136915), (360, 57709532), (480, 43282149), (562, 36966960), (720, 28854766), (843, 24644640), (1124, 18483480), (1405, 14786784), (1440, 14427383), (1686, 12322320), (2248, 9241740), (2529, 8214880), (2810, 7393392), (3372, 6161160), (4215, 4928928), (4496, 4620870), (5058, 4107440), (5620, 3696696), (6744, 3080580), (8430, 2464464), (8992, 2310435), (10116, 2053720), (11240, 1848348), (12645, 1642976), (13488, 1540290), (16860, 1232232), (20232, 1026860), (22480, 924174), (25290, 821488), (26976, 770145), (33720, 616116), (40464, 513430), (44960, 462087), (50580, 410744), (51343, 404640), (67440, 308058), (80928, 256715), (101160, 205372), (102686, 202320), (134880, 154029)]