180215728

素因数分解:

$2^4\times 7^2\times {\mathrm{11}}^1\times {\mathrm{20897}}^1$

素因数の和:20930

約数の個数: 60

約数和(自身を含む): 443121192

約数和(自身を除く): 262905464

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 49, 56, 77, 88, 98, 112, 154, 176, 196, 308, 392, 539, 616, 784, 1078, 1232, 2156, 4312, 8624, 20897, 41794, 83588, 146279, 167176, 229867, 292558, 334352, 459734, 585116, 919468, 1023953, 1170232, 1609069, 1838936, 2047906, 2340464, 3218138, 3677872, 4095812, 6436276, 8191624, 11263483, 12872552, 16383248, 22526966, 25745104, 45053932, 90107864, 180215728]

約数ペア:

[(1, 180215728), (2, 90107864), (4, 45053932), (7, 25745104), (8, 22526966), (11, 16383248), (14, 12872552), (16, 11263483), (22, 8191624), (28, 6436276), (44, 4095812), (49, 3677872), (56, 3218138), (77, 2340464), (88, 2047906), (98, 1838936), (112, 1609069), (154, 1170232), (176, 1023953), (196, 919468), (308, 585116), (392, 459734), (539, 334352), (616, 292558), (784, 229867), (1078, 167176), (1232, 146279), (2156, 83588), (4312, 41794), (8624, 20897)]