81949669920

素因数分解:

$2^5\times 3^5\times 5^1\times {\mathrm{2107759}}^1$

素因数の和:2107789

約数の個数: 144

約数和(自身を含む): 290010913920

約数和(自身を除く): 208061244000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 96, 108, 120, 135, 144, 160, 162, 180, 216, 240, 243, 270, 288, 324, 360, 405, 432, 480, 486, 540, 648, 720, 810, 864, 972, 1080, 1215, 1296, 1440, 1620, 1944, 2160, 2430, 2592, 3240, 3888, 4320, 4860, 6480, 7776, 9720, 12960, 19440, 38880, 2107759, 4215518, 6323277, 8431036, 10538795, 12646554, 16862072, 18969831, 21077590, 25293108, 31616385, 33724144, 37939662, 42155180, 50586216, 56909493, 63232770, 67448288, 75879324, 84310360, 94849155, 101172432, 113818986, 126465540, 151758648, 168620720, 170728479, 189698310, 202344864, 227637972, 252931080, 284547465, 303517296, 337241440, 341456958, 379396620, 455275944, 505862160, 512185437, 569094930, 607034592, 682913916, 758793240, 853642395, 910551888, 1011724320, 1024370874, 1138189860, 1365827832, 1517586480, 1707284790, 1821103776, 2048741748, 2276379720, 2560927185, 2731655664, 3035172960, 3414569580, 4097483496, 4552759440, 5121854370, 5463311328, 6829139160, 8194966992, 9105518880, 10243708740, 13658278320, 16389933984, 20487417480, 27316556640, 40974834960, 81949669920]

約数ペア:

[(1, 81949669920), (2, 40974834960), (3, 27316556640), (4, 20487417480), (5, 16389933984), (6, 13658278320), (8, 10243708740), (9, 9105518880), (10, 8194966992), (12, 6829139160), (15, 5463311328), (16, 5121854370), (18, 4552759440), (20, 4097483496), (24, 3414569580), (27, 3035172960), (30, 2731655664), (32, 2560927185), (36, 2276379720), (40, 2048741748), (45, 1821103776), (48, 1707284790), (54, 1517586480), (60, 1365827832), (72, 1138189860), (80, 1024370874), (81, 1011724320), (90, 910551888), (96, 853642395), (108, 758793240), (120, 682913916), (135, 607034592), (144, 569094930), (160, 512185437), (162, 505862160), (180, 455275944), (216, 379396620), (240, 341456958), (243, 337241440), (270, 303517296), (288, 284547465), (324, 252931080), (360, 227637972), (405, 202344864), (432, 189698310), (480, 170728479), (486, 168620720), (540, 151758648), (648, 126465540), (720, 113818986), (810, 101172432), (864, 94849155), (972, 84310360), (1080, 75879324), (1215, 67448288), (1296, 63232770), (1440, 56909493), (1620, 50586216), (1944, 42155180), (2160, 37939662), (2430, 33724144), (2592, 31616385), (3240, 25293108), (3888, 21077590), (4320, 18969831), (4860, 16862072), (6480, 12646554), (7776, 10538795), (9720, 8431036), (12960, 6323277), (19440, 4215518), (38880, 2107759)]