77963640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{649697}}^1$

素因数の和:649711

約数の個数: 32

約数和(自身を含む): 233891280

約数和(自身を除く): 155927640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 649697, 1299394, 1949091, 2598788, 3248485, 3898182, 5197576, 6496970, 7796364, 9745455, 12993940, 15592728, 19490910, 25987880, 38981820, 77963640]

約数ペア:

[(1, 77963640), (2, 38981820), (3, 25987880), (4, 19490910), (5, 15592728), (6, 12993940), (8, 9745455), (10, 7796364), (12, 6496970), (15, 5197576), (20, 3898182), (24, 3248485), (30, 2598788), (40, 1949091), (60, 1299394), (120, 649697)]