128675856

素因数分解:

$2^4\times 3^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{2221}}^1$

素因数の和:2320

約数の個数: 80

約数和(自身を含む): 357084288

約数和(自身を除く): 228408432

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 34, 48, 51, 68, 71, 102, 136, 142, 204, 213, 272, 284, 408, 426, 568, 816, 852, 1136, 1207, 1704, 2221, 2414, 3408, 3621, 4442, 4828, 6663, 7242, 8884, 9656, 13326, 14484, 17768, 19312, 26652, 28968, 35536, 37757, 53304, 57936, 75514, 106608, 113271, 151028, 157691, 226542, 302056, 315382, 453084, 473073, 604112, 630764, 906168, 946146, 1261528, 1812336, 1892292, 2523056, 2680747, 3784584, 5361494, 7569168, 8042241, 10722988, 16084482, 21445976, 32168964, 42891952, 64337928, 128675856]

約数ペア:

[(1, 128675856), (2, 64337928), (3, 42891952), (4, 32168964), (6, 21445976), (8, 16084482), (12, 10722988), (16, 8042241), (17, 7569168), (24, 5361494), (34, 3784584), (48, 2680747), (51, 2523056), (68, 1892292), (71, 1812336), (102, 1261528), (136, 946146), (142, 906168), (204, 630764), (213, 604112), (272, 473073), (284, 453084), (408, 315382), (426, 302056), (568, 226542), (816, 157691), (852, 151028), (1136, 113271), (1207, 106608), (1704, 75514), (2221, 57936), (2414, 53304), (3408, 37757), (3621, 35536), (4442, 28968), (4828, 26652), (6663, 19312), (7242, 17768), (8884, 14484), (9656, 13326)]