128428500

素因数分解:

$2^2\times 3^1\times 5^3\times {\mathrm{85619}}^1$

素因数の和:85641

約数の個数: 48

約数和(自身を含む): 373988160

約数和(自身を除く): 245559660

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 125, 150, 250, 300, 375, 500, 750, 1500, 85619, 171238, 256857, 342476, 428095, 513714, 856190, 1027428, 1284285, 1712380, 2140475, 2568570, 4280950, 5137140, 6421425, 8561900, 10702375, 12842850, 21404750, 25685700, 32107125, 42809500, 64214250, 128428500]

約数ペア:

[(1, 128428500), (2, 64214250), (3, 42809500), (4, 32107125), (5, 25685700), (6, 21404750), (10, 12842850), (12, 10702375), (15, 8561900), (20, 6421425), (25, 5137140), (30, 4280950), (50, 2568570), (60, 2140475), (75, 1712380), (100, 1284285), (125, 1027428), (150, 856190), (250, 513714), (300, 428095), (375, 342476), (500, 256857), (750, 171238), (1500, 85619)]