78460020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{435889}}^1$

素因数の和:435904

約数の個数: 36

約数和(自身を含む): 237995940

約数和(自身を除く): 159535920

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 435889, 871778, 1307667, 1743556, 2179445, 2615334, 3923001, 4358890, 5230668, 6538335, 7846002, 8717780, 13076670, 15692004, 19615005, 26153340, 39230010, 78460020]

約数ペア:

[(1, 78460020), (2, 39230010), (3, 26153340), (4, 19615005), (5, 15692004), (6, 13076670), (9, 8717780), (10, 7846002), (12, 6538335), (15, 5230668), (18, 4358890), (20, 3923001), (30, 2615334), (36, 2179445), (45, 1743556), (60, 1307667), (90, 871778), (180, 435889)]