256994820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1427749}}^1$

素因数の和:1427764

約数の個数: 36

約数和(自身を含む): 779551500

約数和(自身を除く): 522556680

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1427749, 2855498, 4283247, 5710996, 7138745, 8566494, 12849741, 14277490, 17132988, 21416235, 25699482, 28554980, 42832470, 51398964, 64248705, 85664940, 128497410, 256994820]

約数ペア:

[(1, 256994820), (2, 128497410), (3, 85664940), (4, 64248705), (5, 51398964), (6, 42832470), (9, 28554980), (10, 25699482), (12, 21416235), (15, 17132988), (18, 14277490), (20, 12849741), (30, 8566494), (36, 7138745), (45, 5710996), (60, 4283247), (90, 2855498), (180, 1427749)]