771605960

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{9857}}^1$

素因数の和:9990

約数の個数: 64

約数和(自身を含む): 1845417600

約数和(自身を除く): 1073811640

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 103, 152, 190, 206, 380, 412, 515, 760, 824, 1030, 1957, 2060, 3914, 4120, 7828, 9785, 9857, 15656, 19570, 19714, 39140, 39428, 49285, 78280, 78856, 98570, 187283, 197140, 374566, 394280, 749132, 936415, 1015271, 1498264, 1872830, 2030542, 3745660, 4061084, 5076355, 7491320, 8122168, 10152710, 19290149, 20305420, 38580298, 40610840, 77160596, 96450745, 154321192, 192901490, 385802980, 771605960]

約数ペア:

[(1, 771605960), (2, 385802980), (4, 192901490), (5, 154321192), (8, 96450745), (10, 77160596), (19, 40610840), (20, 38580298), (38, 20305420), (40, 19290149), (76, 10152710), (95, 8122168), (103, 7491320), (152, 5076355), (190, 4061084), (206, 3745660), (380, 2030542), (412, 1872830), (515, 1498264), (760, 1015271), (824, 936415), (1030, 749132), (1957, 394280), (2060, 374566), (3914, 197140), (4120, 187283), (7828, 98570), (9785, 78856), (9857, 78280), (15656, 49285), (19570, 39428), (19714, 39140)]