1279355840

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{467}}^1\times {\mathrm{1223}}^1$

素因数の和:1714

約数の個数: 112

約数和(自身を含む): 3491983872

約数和(自身を除く): 2212628032

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 467, 560, 934, 1120, 1223, 1868, 2240, 2335, 2446, 3269, 3736, 4670, 4892, 6115, 6538, 7472, 8561, 9340, 9784, 12230, 13076, 14944, 16345, 17122, 18680, 19568, 24460, 26152, 29888, 32690, 34244, 37360, 39136, 42805, 48920, 52304, 65380, 68488, 74720, 78272, 85610, 97840, 104608, 130760, 136976, 149440, 171220, 195680, 209216, 261520, 273952, 342440, 391360, 523040, 547904, 571141, 684880, 1046080, 1142282, 1369760, 2284564, 2739520, 2855705, 3997987, 4569128, 5711410, 7995974, 9138256, 11422820, 15991948, 18276512, 19989935, 22845640, 31983896, 36553024, 39979870, 45691280, 63967792, 79959740, 91382560, 127935584, 159919480, 182765120, 255871168, 319838960, 639677920, 1279355840]

約数ペア:

[(1, 1279355840), (2, 639677920), (4, 319838960), (5, 255871168), (7, 182765120), (8, 159919480), (10, 127935584), (14, 91382560), (16, 79959740), (20, 63967792), (28, 45691280), (32, 39979870), (35, 36553024), (40, 31983896), (56, 22845640), (64, 19989935), (70, 18276512), (80, 15991948), (112, 11422820), (140, 9138256), (160, 7995974), (224, 5711410), (280, 4569128), (320, 3997987), (448, 2855705), (467, 2739520), (560, 2284564), (934, 1369760), (1120, 1142282), (1223, 1046080), (1868, 684880), (2240, 571141), (2335, 547904), (2446, 523040), (3269, 391360), (3736, 342440), (4670, 273952), (4892, 261520), (6115, 209216), (6538, 195680), (7472, 171220), (8561, 149440), (9340, 136976), (9784, 130760), (12230, 104608), (13076, 97840), (14944, 85610), (16345, 78272), (17122, 74720), (18680, 68488), (19568, 65380), (24460, 52304), (26152, 48920), (29888, 42805), (32690, 39136), (34244, 37360)]