1278404280

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{3551123}}^1$

素因数の和:3551140

約数の個数: 48

約数和(自身を含む): 4154815080

約数和(自身を除く): 2876410800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 3551123, 7102246, 10653369, 14204492, 17755615, 21306738, 28408984, 31960107, 35511230, 42613476, 53266845, 63920214, 71022460, 85226952, 106533690, 127840428, 142044920, 159800535, 213067380, 255680856, 319601070, 426134760, 639202140, 1278404280]

約数ペア:

[(1, 1278404280), (2, 639202140), (3, 426134760), (4, 319601070), (5, 255680856), (6, 213067380), (8, 159800535), (9, 142044920), (10, 127840428), (12, 106533690), (15, 85226952), (18, 71022460), (20, 63920214), (24, 53266845), (30, 42613476), (36, 35511230), (40, 31960107), (45, 28408984), (60, 21306738), (72, 17755615), (90, 14204492), (120, 10653369), (180, 7102246), (360, 3551123)]