78880256

素因数分解:

$2^9\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1693}}^1$

素因数の和:1731

約数の個数: 80

約数和(自身を含む): 194091744

約数和(自身を除く): 115211488

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 64, 91, 104, 112, 128, 182, 208, 224, 256, 364, 416, 448, 512, 728, 832, 896, 1456, 1664, 1693, 1792, 2912, 3328, 3386, 3584, 5824, 6656, 6772, 11648, 11851, 13544, 22009, 23296, 23702, 27088, 44018, 46592, 47404, 54176, 88036, 94808, 108352, 154063, 176072, 189616, 216704, 308126, 352144, 379232, 433408, 616252, 704288, 758464, 866816, 1232504, 1408576, 1516928, 2465008, 2817152, 3033856, 4930016, 5634304, 6067712, 9860032, 11268608, 19720064, 39440128, 78880256]

約数ペア:

[(1, 78880256), (2, 39440128), (4, 19720064), (7, 11268608), (8, 9860032), (13, 6067712), (14, 5634304), (16, 4930016), (26, 3033856), (28, 2817152), (32, 2465008), (52, 1516928), (56, 1408576), (64, 1232504), (91, 866816), (104, 758464), (112, 704288), (128, 616252), (182, 433408), (208, 379232), (224, 352144), (256, 308126), (364, 216704), (416, 189616), (448, 176072), (512, 154063), (728, 108352), (832, 94808), (896, 88036), (1456, 54176), (1664, 47404), (1693, 46592), (1792, 44018), (2912, 27088), (3328, 23702), (3386, 23296), (3584, 22009), (5824, 13544), (6656, 11851), (6772, 11648)]