2015584720

素因数分解:

$2^4\times 5^1\times {\mathrm{229}}^1\times {\mathrm{269}}^1\times {\mathrm{409}}^1$

素因数の和:920

約数の個数: 80

約数和(自身を含む): 4735746000

約数和(自身を除く): 2720161280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 229, 269, 409, 458, 538, 818, 916, 1076, 1145, 1345, 1636, 1832, 2045, 2152, 2290, 2690, 3272, 3664, 4090, 4304, 4580, 5380, 6544, 8180, 9160, 10760, 16360, 18320, 21520, 32720, 61601, 93661, 110021, 123202, 187322, 220042, 246404, 308005, 374644, 440084, 468305, 492808, 550105, 616010, 749288, 880168, 936610, 985616, 1100210, 1232020, 1498576, 1760336, 1873220, 2200420, 2464040, 3746440, 4400840, 4928080, 7492880, 8801680, 25194809, 50389618, 100779236, 125974045, 201558472, 251948090, 403116944, 503896180, 1007792360, 2015584720]

約数ペア:

[(1, 2015584720), (2, 1007792360), (4, 503896180), (5, 403116944), (8, 251948090), (10, 201558472), (16, 125974045), (20, 100779236), (40, 50389618), (80, 25194809), (229, 8801680), (269, 7492880), (409, 4928080), (458, 4400840), (538, 3746440), (818, 2464040), (916, 2200420), (1076, 1873220), (1145, 1760336), (1345, 1498576), (1636, 1232020), (1832, 1100210), (2045, 985616), (2152, 936610), (2290, 880168), (2690, 749288), (3272, 616010), (3664, 550105), (4090, 492808), (4304, 468305), (4580, 440084), (5380, 374644), (6544, 308005), (8180, 246404), (9160, 220042), (10760, 187322), (16360, 123202), (18320, 110021), (21520, 93661), (32720, 61601)]