256423080

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{10847}}^1$

素因数の和:11058

約数の個数: 64

約数和(自身を含む): 773245440

約数和(自身を除く): 516822360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 197, 394, 591, 788, 985, 1182, 1576, 1970, 2364, 2955, 3940, 4728, 5910, 7880, 10847, 11820, 21694, 23640, 32541, 43388, 54235, 65082, 86776, 108470, 130164, 162705, 216940, 260328, 325410, 433880, 650820, 1301640, 2136859, 4273718, 6410577, 8547436, 10684295, 12821154, 17094872, 21368590, 25642308, 32052885, 42737180, 51284616, 64105770, 85474360, 128211540, 256423080]

約数ペア:

[(1, 256423080), (2, 128211540), (3, 85474360), (4, 64105770), (5, 51284616), (6, 42737180), (8, 32052885), (10, 25642308), (12, 21368590), (15, 17094872), (20, 12821154), (24, 10684295), (30, 8547436), (40, 6410577), (60, 4273718), (120, 2136859), (197, 1301640), (394, 650820), (591, 433880), (788, 325410), (985, 260328), (1182, 216940), (1576, 162705), (1970, 130164), (2364, 108470), (2955, 86776), (3940, 65082), (4728, 54235), (5910, 43388), (7880, 32541), (10847, 23640), (11820, 21694)]