78909000

素因数分解:

$2^3\times 3^1\times 5^3\times {\mathrm{29}}^1\times {\mathrm{907}}^1$

素因数の和:960

約数の個数: 128

約数和(自身を含む): 254966400

約数和(自身を除く): 176057400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 29, 30, 40, 50, 58, 60, 75, 87, 100, 116, 120, 125, 145, 150, 174, 200, 232, 250, 290, 300, 348, 375, 435, 500, 580, 600, 696, 725, 750, 870, 907, 1000, 1160, 1450, 1500, 1740, 1814, 2175, 2721, 2900, 3000, 3480, 3625, 3628, 4350, 4535, 5442, 5800, 7250, 7256, 8700, 9070, 10875, 10884, 13605, 14500, 17400, 18140, 21750, 21768, 22675, 26303, 27210, 29000, 36280, 43500, 45350, 52606, 54420, 68025, 78909, 87000, 90700, 105212, 108840, 113375, 131515, 136050, 157818, 181400, 210424, 226750, 263030, 272100, 315636, 340125, 394545, 453500, 526060, 544200, 631272, 657575, 680250, 789090, 907000, 1052120, 1315150, 1360500, 1578180, 1972725, 2630300, 2721000, 3156360, 3287875, 3945450, 5260600, 6575750, 7890900, 9863625, 13151500, 15781800, 19727250, 26303000, 39454500, 78909000]

約数ペア:

[(1, 78909000), (2, 39454500), (3, 26303000), (4, 19727250), (5, 15781800), (6, 13151500), (8, 9863625), (10, 7890900), (12, 6575750), (15, 5260600), (20, 3945450), (24, 3287875), (25, 3156360), (29, 2721000), (30, 2630300), (40, 1972725), (50, 1578180), (58, 1360500), (60, 1315150), (75, 1052120), (87, 907000), (100, 789090), (116, 680250), (120, 657575), (125, 631272), (145, 544200), (150, 526060), (174, 453500), (200, 394545), (232, 340125), (250, 315636), (290, 272100), (300, 263030), (348, 226750), (375, 210424), (435, 181400), (500, 157818), (580, 136050), (600, 131515), (696, 113375), (725, 108840), (750, 105212), (870, 90700), (907, 87000), (1000, 78909), (1160, 68025), (1450, 54420), (1500, 52606), (1740, 45350), (1814, 43500), (2175, 36280), (2721, 29000), (2900, 27210), (3000, 26303), (3480, 22675), (3625, 21768), (3628, 21750), (4350, 18140), (4535, 17400), (5442, 14500), (5800, 13605), (7250, 10884), (7256, 10875), (8700, 9070)]