30793160

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{17903}}^1$

素因数の和:17957

約数の個数: 32

約数和(自身を含む): 70899840

約数和(自身を除く): 40106680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 17903, 35806, 71612, 89515, 143224, 179030, 358060, 716120, 769829, 1539658, 3079316, 3849145, 6158632, 7698290, 15396580, 30793160]

約数ペア:

[(1, 30793160), (2, 15396580), (4, 7698290), (5, 6158632), (8, 3849145), (10, 3079316), (20, 1539658), (40, 769829), (43, 716120), (86, 358060), (172, 179030), (215, 143224), (344, 89515), (430, 71612), (860, 35806), (1720, 17903)]