261802680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{2181689}}^1$

素因数の和:2181703

約数の個数: 32

約数和(自身を含む): 785408400

約数和(自身を除く): 523605720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 2181689, 4363378, 6545067, 8726756, 10908445, 13090134, 17453512, 21816890, 26180268, 32725335, 43633780, 52360536, 65450670, 87267560, 130901340, 261802680]

約数ペア:

[(1, 261802680), (2, 130901340), (3, 87267560), (4, 65450670), (5, 52360536), (6, 43633780), (8, 32725335), (10, 26180268), (12, 21816890), (15, 17453512), (20, 13090134), (24, 10908445), (30, 8726756), (40, 6545067), (60, 4363378), (120, 2181689)]