15202220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1607}}^1$

素因数の和:1670

約数の個数: 48

約数和(自身を含む): 35659008

約数和(自身を除く): 20456788

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 43, 44, 55, 86, 110, 172, 215, 220, 430, 473, 860, 946, 1607, 1892, 2365, 3214, 4730, 6428, 8035, 9460, 16070, 17677, 32140, 35354, 69101, 70708, 88385, 138202, 176770, 276404, 345505, 353540, 691010, 760111, 1382020, 1520222, 3040444, 3800555, 7601110, 15202220]

約数ペア:

[(1, 15202220), (2, 7601110), (4, 3800555), (5, 3040444), (10, 1520222), (11, 1382020), (20, 760111), (22, 691010), (43, 353540), (44, 345505), (55, 276404), (86, 176770), (110, 138202), (172, 88385), (215, 70708), (220, 69101), (430, 35354), (473, 32140), (860, 17677), (946, 16070), (1607, 9460), (1892, 8035), (2365, 6428), (3214, 4730)]