30181720

素因数分解:

$2^3\times 5^1\times {\mathrm{337}}^1\times {\mathrm{2239}}^1$

素因数の和:2587

約数の個数: 32

約数和(自身を含む): 68140800

約数和(自身を除く): 37959080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 337, 674, 1348, 1685, 2239, 2696, 3370, 4478, 6740, 8956, 11195, 13480, 17912, 22390, 44780, 89560, 754543, 1509086, 3018172, 3772715, 6036344, 7545430, 15090860, 30181720]

約数ペア:

[(1, 30181720), (2, 15090860), (4, 7545430), (5, 6036344), (8, 3772715), (10, 3018172), (20, 1509086), (40, 754543), (337, 89560), (674, 44780), (1348, 22390), (1685, 17912), (2239, 13480), (2696, 11195), (3370, 8956), (4478, 6740)]