78521880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{654349}}^1$

素因数の和:654363

約数の個数: 32

約数和(自身を含む): 235566000

約数和(自身を除く): 157044120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 654349, 1308698, 1963047, 2617396, 3271745, 3926094, 5234792, 6543490, 7852188, 9815235, 13086980, 15704376, 19630470, 26173960, 39260940, 78521880]

約数ペア:

[(1, 78521880), (2, 39260940), (3, 26173960), (4, 19630470), (5, 15704376), (6, 13086980), (8, 9815235), (10, 7852188), (12, 6543490), (15, 5234792), (20, 3926094), (24, 3271745), (30, 2617396), (40, 1963047), (60, 1308698), (120, 654349)]