19680030

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{72889}}^1$

素因数の和:72905

約数の個数: 32

約数和(自身を含む): 52480800

約数和(自身を除く): 32800770

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 72889, 145778, 218667, 364445, 437334, 656001, 728890, 1093335, 1312002, 1968003, 2186670, 3280005, 3936006, 6560010, 9840015, 19680030]

約数ペア:

[(1, 19680030), (2, 9840015), (3, 6560010), (5, 3936006), (6, 3280005), (9, 2186670), (10, 1968003), (15, 1312002), (18, 1093335), (27, 728890), (30, 656001), (45, 437334), (54, 364445), (90, 218667), (135, 145778), (270, 72889)]