640170

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{2371}}^1$

素因数の和:2387

約数の個数: 32

約数和(自身を含む): 1707840

約数和(自身を除く): 1067670

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 2371, 4742, 7113, 11855, 14226, 21339, 23710, 35565, 42678, 64017, 71130, 106695, 128034, 213390, 320085, 640170]

約数ペア:

[(1, 640170), (2, 320085), (3, 213390), (5, 128034), (6, 106695), (9, 71130), (10, 64017), (15, 42678), (18, 35565), (27, 23710), (30, 21339), (45, 14226), (54, 11855), (90, 7113), (135, 4742), (270, 2371)]