78761880

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{218783}}^1$

素因数の和:218800

約数の個数: 48

約数和(自身を含む): 255977280

約数和(自身を除く): 177215400

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 218783, 437566, 656349, 875132, 1093915, 1312698, 1750264, 1969047, 2187830, 2625396, 3281745, 3938094, 4375660, 5250792, 6563490, 7876188, 8751320, 9845235, 13126980, 15752376, 19690470, 26253960, 39380940, 78761880]

約数ペア:

[(1, 78761880), (2, 39380940), (3, 26253960), (4, 19690470), (5, 15752376), (6, 13126980), (8, 9845235), (9, 8751320), (10, 7876188), (12, 6563490), (15, 5250792), (18, 4375660), (20, 3938094), (24, 3281745), (30, 2625396), (36, 2187830), (40, 1969047), (45, 1750264), (60, 1312698), (72, 1093915), (90, 875132), (120, 656349), (180, 437566), (360, 218783)]