12438180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1607}}^1$

素因数の和:1665

約数の個数: 72

約数和(自身を含む): 38630592

約数和(自身を除く): 26192412

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 86, 90, 129, 172, 180, 215, 258, 387, 430, 516, 645, 774, 860, 1290, 1548, 1607, 1935, 2580, 3214, 3870, 4821, 6428, 7740, 8035, 9642, 14463, 16070, 19284, 24105, 28926, 32140, 48210, 57852, 69101, 72315, 96420, 138202, 144630, 207303, 276404, 289260, 345505, 414606, 621909, 691010, 829212, 1036515, 1243818, 1382020, 2073030, 2487636, 3109545, 4146060, 6219090, 12438180]

約数ペア:

[(1, 12438180), (2, 6219090), (3, 4146060), (4, 3109545), (5, 2487636), (6, 2073030), (9, 1382020), (10, 1243818), (12, 1036515), (15, 829212), (18, 691010), (20, 621909), (30, 414606), (36, 345505), (43, 289260), (45, 276404), (60, 207303), (86, 144630), (90, 138202), (129, 96420), (172, 72315), (180, 69101), (215, 57852), (258, 48210), (387, 32140), (430, 28926), (516, 24105), (645, 19284), (774, 16070), (860, 14463), (1290, 9642), (1548, 8035), (1607, 7740), (1935, 6428), (2580, 4821), (3214, 3870)]