256856184

素因数分解:

$2^3\times 3^4\times {\mathrm{13}}^1\times {\mathrm{30491}}^1$

素因数の和:30522

約数の個数: 80

約数和(自身を含む): 774801720

約数和(自身を除く): 517945536

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 36, 39, 52, 54, 72, 78, 81, 104, 108, 117, 156, 162, 216, 234, 312, 324, 351, 468, 648, 702, 936, 1053, 1404, 2106, 2808, 4212, 8424, 30491, 60982, 91473, 121964, 182946, 243928, 274419, 365892, 396383, 548838, 731784, 792766, 823257, 1097676, 1189149, 1585532, 1646514, 2195352, 2378298, 2469771, 3171064, 3293028, 3567447, 4756596, 4939542, 6586056, 7134894, 9513192, 9879084, 10702341, 14269788, 19758168, 21404682, 28539576, 32107023, 42809364, 64214046, 85618728, 128428092, 256856184]

約数ペア:

[(1, 256856184), (2, 128428092), (3, 85618728), (4, 64214046), (6, 42809364), (8, 32107023), (9, 28539576), (12, 21404682), (13, 19758168), (18, 14269788), (24, 10702341), (26, 9879084), (27, 9513192), (36, 7134894), (39, 6586056), (52, 4939542), (54, 4756596), (72, 3567447), (78, 3293028), (81, 3171064), (104, 2469771), (108, 2378298), (117, 2195352), (156, 1646514), (162, 1585532), (216, 1189149), (234, 1097676), (312, 823257), (324, 792766), (351, 731784), (468, 548838), (648, 396383), (702, 365892), (936, 274419), (1053, 243928), (1404, 182946), (2106, 121964), (2808, 91473), (4212, 60982), (8424, 30491)]