78431820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1307197}}^1$

素因数の和:1307209

約数の個数: 24

約数和(自身を含む): 219609264

約数和(自身を除く): 141177444

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1307197, 2614394, 3921591, 5228788, 6535985, 7843182, 13071970, 15686364, 19607955, 26143940, 39215910, 78431820]

約数ペア:

[(1, 78431820), (2, 39215910), (3, 26143940), (4, 19607955), (5, 15686364), (6, 13071970), (10, 7843182), (12, 6535985), (15, 5228788), (20, 3921591), (30, 2614394), (60, 1307197)]