17978460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{2749}}^1$

素因数の和:2870

約数の個数: 48

約数和(自身を含む): 50820000

約数和(自身を除く): 32841540

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 109, 218, 327, 436, 545, 654, 1090, 1308, 1635, 2180, 2749, 3270, 5498, 6540, 8247, 10996, 13745, 16494, 27490, 32988, 41235, 54980, 82470, 164940, 299641, 599282, 898923, 1198564, 1498205, 1797846, 2996410, 3595692, 4494615, 5992820, 8989230, 17978460]

約数ペア:

[(1, 17978460), (2, 8989230), (3, 5992820), (4, 4494615), (5, 3595692), (6, 2996410), (10, 1797846), (12, 1498205), (15, 1198564), (20, 898923), (30, 599282), (60, 299641), (109, 164940), (218, 82470), (327, 54980), (436, 41235), (545, 32988), (654, 27490), (1090, 16494), (1308, 13745), (1635, 10996), (2180, 8247), (2749, 6540), (3270, 5498)]