561780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{3121}}^1$

素因数の和:3136

約数の個数: 36

約数和(自身を含む): 1704612

約数和(自身を除く): 1142832

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 3121, 6242, 9363, 12484, 15605, 18726, 28089, 31210, 37452, 46815, 56178, 62420, 93630, 112356, 140445, 187260, 280890, 561780]

約数ペア:

[(1, 561780), (2, 280890), (3, 187260), (4, 140445), (5, 112356), (6, 93630), (9, 62420), (10, 56178), (12, 46815), (15, 37452), (18, 31210), (20, 28089), (30, 18726), (36, 15605), (45, 12484), (60, 9363), (90, 6242), (180, 3121)]