206520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{1721}}^1$

素因数の和:1735

約数の個数: 32

約数和(自身を含む): 619920

約数和(自身を除く): 413400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 1721, 3442, 5163, 6884, 8605, 10326, 13768, 17210, 20652, 25815, 34420, 41304, 51630, 68840, 103260, 206520]

約数ペア:

[(1, 206520), (2, 103260), (3, 68840), (4, 51630), (5, 41304), (6, 34420), (8, 25815), (10, 20652), (12, 17210), (15, 13768), (20, 10326), (24, 8605), (30, 6884), (40, 5163), (60, 3442), (120, 1721)]