80998800

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{67499}}^1$

素因数の和:67520

約数の個数: 60

約数和(自身を含む): 259470000

約数和(自身を除く): 178471200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 40, 48, 50, 60, 75, 80, 100, 120, 150, 200, 240, 300, 400, 600, 1200, 67499, 134998, 202497, 269996, 337495, 404994, 539992, 674990, 809988, 1012485, 1079984, 1349980, 1619976, 1687475, 2024970, 2699960, 3239952, 3374950, 4049940, 5062425, 5399920, 6749900, 8099880, 10124850, 13499800, 16199760, 20249700, 26999600, 40499400, 80998800]

約数ペア:

[(1, 80998800), (2, 40499400), (3, 26999600), (4, 20249700), (5, 16199760), (6, 13499800), (8, 10124850), (10, 8099880), (12, 6749900), (15, 5399920), (16, 5062425), (20, 4049940), (24, 3374950), (25, 3239952), (30, 2699960), (40, 2024970), (48, 1687475), (50, 1619976), (60, 1349980), (75, 1079984), (80, 1012485), (100, 809988), (120, 674990), (150, 539992), (200, 404994), (240, 337495), (300, 269996), (400, 202497), (600, 134998), (1200, 67499)]