247475880

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{687433}}^1$

素因数の和:687450

約数の個数: 48

約数和(自身を含む): 804297780

約数和(自身を除く): 556821900

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 687433, 1374866, 2062299, 2749732, 3437165, 4124598, 5499464, 6186897, 6874330, 8249196, 10311495, 12373794, 13748660, 16498392, 20622990, 24747588, 27497320, 30934485, 41245980, 49495176, 61868970, 82491960, 123737940, 247475880]

約数ペア:

[(1, 247475880), (2, 123737940), (3, 82491960), (4, 61868970), (5, 49495176), (6, 41245980), (8, 30934485), (9, 27497320), (10, 24747588), (12, 20622990), (15, 16498392), (18, 13748660), (20, 12373794), (24, 10311495), (30, 8249196), (36, 6874330), (40, 6186897), (45, 5499464), (60, 4124598), (72, 3437165), (90, 2749732), (120, 2062299), (180, 1374866), (360, 687433)]