77923760

素因数分解:

$2^4\times 5^1\times {\mathrm{751}}^1\times {\mathrm{1297}}^1$

素因数の和:2061

約数の個数: 40

約数和(自身を含む): 181553856

約数和(自身を除く): 103630096

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 751, 1297, 1502, 2594, 3004, 3755, 5188, 6008, 6485, 7510, 10376, 12016, 12970, 15020, 20752, 25940, 30040, 51880, 60080, 103760, 974047, 1948094, 3896188, 4870235, 7792376, 9740470, 15584752, 19480940, 38961880, 77923760]

約数ペア:

[(1, 77923760), (2, 38961880), (4, 19480940), (5, 15584752), (8, 9740470), (10, 7792376), (16, 4870235), (20, 3896188), (40, 1948094), (80, 974047), (751, 103760), (1297, 60080), (1502, 51880), (2594, 30040), (3004, 25940), (3755, 20752), (5188, 15020), (6008, 12970), (6485, 12016), (7510, 10376)]