1320310528

素因数分解:

$2^8\times {\mathrm{43}}^1\times {\mathrm{277}}^1\times {\mathrm{433}}^1$

素因数の和:769

約数の個数: 72

約数和(自身を含む): 2712739568

約数和(自身を除く): 1392429040

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 86, 128, 172, 256, 277, 344, 433, 554, 688, 866, 1108, 1376, 1732, 2216, 2752, 3464, 4432, 5504, 6928, 8864, 11008, 11911, 13856, 17728, 18619, 23822, 27712, 35456, 37238, 47644, 55424, 70912, 74476, 95288, 110848, 119941, 148952, 190576, 239882, 297904, 381152, 479764, 595808, 762304, 959528, 1191616, 1524608, 1919056, 2383232, 3049216, 3838112, 4766464, 5157463, 7676224, 10314926, 15352448, 20629852, 30704896, 41259704, 82519408, 165038816, 330077632, 660155264, 1320310528]

約数ペア:

[(1, 1320310528), (2, 660155264), (4, 330077632), (8, 165038816), (16, 82519408), (32, 41259704), (43, 30704896), (64, 20629852), (86, 15352448), (128, 10314926), (172, 7676224), (256, 5157463), (277, 4766464), (344, 3838112), (433, 3049216), (554, 2383232), (688, 1919056), (866, 1524608), (1108, 1191616), (1376, 959528), (1732, 762304), (2216, 595808), (2752, 479764), (3464, 381152), (4432, 297904), (5504, 239882), (6928, 190576), (8864, 148952), (11008, 119941), (11911, 110848), (13856, 95288), (17728, 74476), (18619, 70912), (23822, 55424), (27712, 47644), (35456, 37238)]