78720530

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{26153}}^1$

素因数の和:26210

約数の個数: 32

約数和(自身を含む): 165711744

約数和(自身を除く): 86991214

約数列:

[1, 2, 5, 7, 10, 14, 35, 43, 70, 86, 215, 301, 430, 602, 1505, 3010, 26153, 52306, 130765, 183071, 261530, 366142, 915355, 1124579, 1830710, 2249158, 5622895, 7872053, 11245790, 15744106, 39360265, 78720530]

約数ペア:

[(1, 78720530), (2, 39360265), (5, 15744106), (7, 11245790), (10, 7872053), (14, 5622895), (35, 2249158), (43, 1830710), (70, 1124579), (86, 915355), (215, 366142), (301, 261530), (430, 183071), (602, 130765), (1505, 52306), (3010, 26153)]