80381205

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{2099}}^1$

素因数の和:2170

約数の個数: 48

約数和(自身を含む): 149385600

約数和(自身を除く): 69004395

約数列:

[1, 3, 5, 9, 15, 23, 37, 45, 69, 111, 115, 185, 207, 333, 345, 555, 851, 1035, 1665, 2099, 2553, 4255, 6297, 7659, 10495, 12765, 18891, 31485, 38295, 48277, 77663, 94455, 144831, 232989, 241385, 388315, 434493, 698967, 724155, 1164945, 1786249, 2172465, 3494835, 5358747, 8931245, 16076241, 26793735, 80381205]

約数ペア:

[(1, 80381205), (3, 26793735), (5, 16076241), (9, 8931245), (15, 5358747), (23, 3494835), (37, 2172465), (45, 1786249), (69, 1164945), (111, 724155), (115, 698967), (185, 434493), (207, 388315), (333, 241385), (345, 232989), (555, 144831), (851, 94455), (1035, 77663), (1665, 48277), (2099, 38295), (2553, 31485), (4255, 18891), (6297, 12765), (7659, 10495)]