20151000

素因数分解:

$2^3\times 3^2\times 5^3\times {\mathrm{2239}}^1$

素因数の和:2266

約数の個数: 96

約数和(自身を含む): 68140800

約数和(自身を除く): 47989800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 36, 40, 45, 50, 60, 72, 75, 90, 100, 120, 125, 150, 180, 200, 225, 250, 300, 360, 375, 450, 500, 600, 750, 900, 1000, 1125, 1500, 1800, 2239, 2250, 3000, 4478, 4500, 6717, 8956, 9000, 11195, 13434, 17912, 20151, 22390, 26868, 33585, 40302, 44780, 53736, 55975, 67170, 80604, 89560, 100755, 111950, 134340, 161208, 167925, 201510, 223900, 268680, 279875, 335850, 403020, 447800, 503775, 559750, 671700, 806040, 839625, 1007550, 1119500, 1343400, 1679250, 2015100, 2239000, 2518875, 3358500, 4030200, 5037750, 6717000, 10075500, 20151000]

約数ペア:

[(1, 20151000), (2, 10075500), (3, 6717000), (4, 5037750), (5, 4030200), (6, 3358500), (8, 2518875), (9, 2239000), (10, 2015100), (12, 1679250), (15, 1343400), (18, 1119500), (20, 1007550), (24, 839625), (25, 806040), (30, 671700), (36, 559750), (40, 503775), (45, 447800), (50, 403020), (60, 335850), (72, 279875), (75, 268680), (90, 223900), (100, 201510), (120, 167925), (125, 161208), (150, 134340), (180, 111950), (200, 100755), (225, 89560), (250, 80604), (300, 67170), (360, 55975), (375, 53736), (450, 44780), (500, 40302), (600, 33585), (750, 26868), (900, 22390), (1000, 20151), (1125, 17912), (1500, 13434), (1800, 11195), (2239, 9000), (2250, 8956), (3000, 6717), (4478, 4500)]