247449780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1374721}}^1$

素因数の和:1374736

約数の個数: 36

約数和(自身を含む): 750598212

約数和(自身を除く): 503148432

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1374721, 2749442, 4124163, 5498884, 6873605, 8248326, 12372489, 13747210, 16496652, 20620815, 24744978, 27494420, 41241630, 49489956, 61862445, 82483260, 123724890, 247449780]

約数ペア:

[(1, 247449780), (2, 123724890), (3, 82483260), (4, 61862445), (5, 49489956), (6, 41241630), (9, 27494420), (10, 24744978), (12, 20620815), (15, 16496652), (18, 13747210), (20, 12372489), (30, 8248326), (36, 6873605), (45, 5498884), (60, 4124163), (90, 2749442), (180, 1374721)]