2721000

素因数分解:

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

素因数の和:931

約数の個数: 64

約数和(自身を含む): 8498880

約数和(自身を除く): 5777880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 40, 50, 60, 75, 100, 120, 125, 150, 200, 250, 300, 375, 500, 600, 750, 907, 1000, 1500, 1814, 2721, 3000, 3628, 4535, 5442, 7256, 9070, 10884, 13605, 18140, 21768, 22675, 27210, 36280, 45350, 54420, 68025, 90700, 108840, 113375, 136050, 181400, 226750, 272100, 340125, 453500, 544200, 680250, 907000, 1360500, 2721000]

約数ペア:

[(1, 2721000), (2, 1360500), (3, 907000), (4, 680250), (5, 544200), (6, 453500), (8, 340125), (10, 272100), (12, 226750), (15, 181400), (20, 136050), (24, 113375), (25, 108840), (30, 90700), (40, 68025), (50, 54420), (60, 45350), (75, 36280), (100, 27210), (120, 22675), (125, 21768), (150, 18140), (200, 13605), (250, 10884), (300, 9070), (375, 7256), (500, 5442), (600, 4535), (750, 3628), (907, 3000), (1000, 2721), (1500, 1814)]