1572340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1021}}^1$

素因数の和:1048

約数の個数: 48

約数和(自身を含む): 4120704

約数和(自身を除く): 2548364

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1021, 1540, 2042, 4084, 5105, 7147, 10210, 11231, 14294, 20420, 22462, 28588, 35735, 44924, 56155, 71470, 78617, 112310, 142940, 157234, 224620, 314468, 393085, 786170, 1572340]

約数ペア:

[(1, 1572340), (2, 786170), (4, 393085), (5, 314468), (7, 224620), (10, 157234), (11, 142940), (14, 112310), (20, 78617), (22, 71470), (28, 56155), (35, 44924), (44, 35735), (55, 28588), (70, 22462), (77, 20420), (110, 14294), (140, 11231), (154, 10210), (220, 7147), (308, 5105), (385, 4084), (770, 2042), (1021, 1540)]