217680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{907}}^1$

素因数の和:923

約数の個数: 40

約数和(自身を含む): 675552

約数和(自身を除く): 457872

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 907, 1814, 2721, 3628, 4535, 5442, 7256, 9070, 10884, 13605, 14512, 18140, 21768, 27210, 36280, 43536, 54420, 72560, 108840, 217680]

約数ペア:

[(1, 217680), (2, 108840), (3, 72560), (4, 54420), (5, 43536), (6, 36280), (8, 27210), (10, 21768), (12, 18140), (15, 14512), (16, 13605), (20, 10884), (24, 9070), (30, 7256), (40, 5442), (48, 4535), (60, 3628), (80, 2721), (120, 1814), (240, 907)]