12215674785

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{71821}}^1$

素因数の和:71898

約数の個数: 64

約数和(自身を含む): 22339514880

約数和(自身を除く): 10123840095

約数列:

[1, 3, 5, 15, 17, 23, 29, 51, 69, 85, 87, 115, 145, 255, 345, 391, 435, 493, 667, 1173, 1479, 1955, 2001, 2465, 3335, 5865, 7395, 10005, 11339, 34017, 56695, 71821, 170085, 215463, 359105, 1077315, 1220957, 1651883, 2082809, 3662871, 4955649, 6104785, 6248427, 8259415, 10414045, 18314355, 24778245, 28082011, 31242135, 35407753, 47904607, 84246033, 106223259, 140410055, 143713821, 177038765, 239523035, 421230165, 531116295, 718569105, 814378319, 2443134957, 4071891595, 12215674785]

約数ペア:

[(1, 12215674785), (3, 4071891595), (5, 2443134957), (15, 814378319), (17, 718569105), (23, 531116295), (29, 421230165), (51, 239523035), (69, 177038765), (85, 143713821), (87, 140410055), (115, 106223259), (145, 84246033), (255, 47904607), (345, 35407753), (391, 31242135), (435, 28082011), (493, 24778245), (667, 18314355), (1173, 10414045), (1479, 8259415), (1955, 6248427), (2001, 6104785), (2465, 4955649), (3335, 3662871), (5865, 2082809), (7395, 1651883), (10005, 1220957), (11339, 1077315), (34017, 359105), (56695, 215463), (71821, 170085)]