1275000

素因数分解:

$2^3\times 3^1\times 5^5\times {\mathrm{17}}^1$

素因数の和:51

約数の個数: 96

約数和(自身を含む): 4218480

約数和(自身を除く): 2943480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 25, 30, 34, 40, 50, 51, 60, 68, 75, 85, 100, 102, 120, 125, 136, 150, 170, 200, 204, 250, 255, 300, 340, 375, 408, 425, 500, 510, 600, 625, 680, 750, 850, 1000, 1020, 1250, 1275, 1500, 1700, 1875, 2040, 2125, 2500, 2550, 3000, 3125, 3400, 3750, 4250, 5000, 5100, 6250, 6375, 7500, 8500, 9375, 10200, 10625, 12500, 12750, 15000, 17000, 18750, 21250, 25000, 25500, 31875, 37500, 42500, 51000, 53125, 63750, 75000, 85000, 106250, 127500, 159375, 212500, 255000, 318750, 425000, 637500, 1275000]

約数ペア:

[(1, 1275000), (2, 637500), (3, 425000), (4, 318750), (5, 255000), (6, 212500), (8, 159375), (10, 127500), (12, 106250), (15, 85000), (17, 75000), (20, 63750), (24, 53125), (25, 51000), (30, 42500), (34, 37500), (40, 31875), (50, 25500), (51, 25000), (60, 21250), (68, 18750), (75, 17000), (85, 15000), (100, 12750), (102, 12500), (120, 10625), (125, 10200), (136, 9375), (150, 8500), (170, 7500), (200, 6375), (204, 6250), (250, 5100), (255, 5000), (300, 4250), (340, 3750), (375, 3400), (408, 3125), (425, 3000), (500, 2550), (510, 2500), (600, 2125), (625, 2040), (680, 1875), (750, 1700), (850, 1500), (1000, 1275), (1020, 1250)]