131428560

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{547619}}^1$

素因数の和:547635

約数の個数: 40

約数和(自身を含む): 407429280

約数和(自身を除く): 276000720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 547619, 1095238, 1642857, 2190476, 2738095, 3285714, 4380952, 5476190, 6571428, 8214285, 8761904, 10952380, 13142856, 16428570, 21904760, 26285712, 32857140, 43809520, 65714280, 131428560]

約数ペア:

[(1, 131428560), (2, 65714280), (3, 43809520), (4, 32857140), (5, 26285712), (6, 21904760), (8, 16428570), (10, 13142856), (12, 10952380), (15, 8761904), (16, 8214285), (20, 6571428), (24, 5476190), (30, 4380952), (40, 3285714), (48, 2738095), (60, 2190476), (80, 1642857), (120, 1095238), (240, 547619)]