78314820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1305247}}^1$

素因数の和:1305259

約数の個数: 24

約数和(自身を含む): 219281664

約数和(自身を除く): 140966844

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1305247, 2610494, 3915741, 5220988, 6526235, 7831482, 13052470, 15662964, 19578705, 26104940, 39157410, 78314820]

約数ペア:

[(1, 78314820), (2, 39157410), (3, 26104940), (4, 19578705), (5, 15662964), (6, 13052470), (10, 7831482), (12, 6526235), (15, 5220988), (20, 3915741), (30, 2610494), (60, 1305247)]