78855720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{657131}}^1$

素因数の和:657145

約数の個数: 32

約数和(自身を含む): 236567520

約数和(自身を除く): 157711800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 657131, 1314262, 1971393, 2628524, 3285655, 3942786, 5257048, 6571310, 7885572, 9856965, 13142620, 15771144, 19713930, 26285240, 39427860, 78855720]

約数ペア:

[(1, 78855720), (2, 39427860), (3, 26285240), (4, 19713930), (5, 15771144), (6, 13142620), (8, 9856965), (10, 7885572), (12, 6571310), (15, 5257048), (20, 3942786), (24, 3285655), (30, 2628524), (40, 1971393), (60, 1314262), (120, 657131)]