205811280

素因数分解:

$2^4\times 3^6\times 5^1\times {\mathrm{3529}}^1$

素因数の和:3560

約数の個数: 140

約数和(自身を含む): 717641940

約数和(自身を除く): 511830660

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 135, 144, 162, 180, 216, 240, 243, 270, 324, 360, 405, 432, 486, 540, 648, 720, 729, 810, 972, 1080, 1215, 1296, 1458, 1620, 1944, 2160, 2430, 2916, 3240, 3529, 3645, 3888, 4860, 5832, 6480, 7058, 7290, 9720, 10587, 11664, 14116, 14580, 17645, 19440, 21174, 28232, 29160, 31761, 35290, 42348, 52935, 56464, 58320, 63522, 70580, 84696, 95283, 105870, 127044, 141160, 158805, 169392, 190566, 211740, 254088, 282320, 285849, 317610, 381132, 423480, 476415, 508176, 571698, 635220, 762264, 846960, 857547, 952830, 1143396, 1270440, 1429245, 1524528, 1715094, 1905660, 2286792, 2540880, 2572641, 2858490, 3430188, 3811320, 4287735, 4573584, 5145282, 5716980, 6860376, 7622640, 8575470, 10290564, 11433960, 12863205, 13720752, 17150940, 20581128, 22867920, 25726410, 34301880, 41162256, 51452820, 68603760, 102905640, 205811280]

約数ペア:

[(1, 205811280), (2, 102905640), (3, 68603760), (4, 51452820), (5, 41162256), (6, 34301880), (8, 25726410), (9, 22867920), (10, 20581128), (12, 17150940), (15, 13720752), (16, 12863205), (18, 11433960), (20, 10290564), (24, 8575470), (27, 7622640), (30, 6860376), (36, 5716980), (40, 5145282), (45, 4573584), (48, 4287735), (54, 3811320), (60, 3430188), (72, 2858490), (80, 2572641), (81, 2540880), (90, 2286792), (108, 1905660), (120, 1715094), (135, 1524528), (144, 1429245), (162, 1270440), (180, 1143396), (216, 952830), (240, 857547), (243, 846960), (270, 762264), (324, 635220), (360, 571698), (405, 508176), (432, 476415), (486, 423480), (540, 381132), (648, 317610), (720, 285849), (729, 282320), (810, 254088), (972, 211740), (1080, 190566), (1215, 169392), (1296, 158805), (1458, 141160), (1620, 127044), (1944, 105870), (2160, 95283), (2430, 84696), (2916, 70580), (3240, 63522), (3529, 58320), (3645, 56464), (3888, 52935), (4860, 42348), (5832, 35290), (6480, 31761), (7058, 29160), (7290, 28232), (9720, 21174), (10587, 19440), (11664, 17645), (14116, 14580)]