280388784

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{641}}^1\times {\mathrm{701}}^1$

素因数の和:1366

約数の個数: 80

約数和(自身を含む): 782387424

約数和(自身を除く): 501998640

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624, 641, 701, 1282, 1402, 1923, 2103, 2564, 2804, 3846, 4206, 5128, 5608, 7692, 8333, 8412, 9113, 10256, 11216, 15384, 16666, 16824, 18226, 24999, 27339, 30768, 33332, 33648, 36452, 49998, 54678, 66664, 72904, 99996, 109356, 133328, 145808, 199992, 218712, 399984, 437424, 449341, 898682, 1348023, 1797364, 2696046, 3594728, 5392092, 5841433, 7189456, 10784184, 11682866, 17524299, 21568368, 23365732, 35048598, 46731464, 70097196, 93462928, 140194392, 280388784]

約数ペア:

[(1, 280388784), (2, 140194392), (3, 93462928), (4, 70097196), (6, 46731464), (8, 35048598), (12, 23365732), (13, 21568368), (16, 17524299), (24, 11682866), (26, 10784184), (39, 7189456), (48, 5841433), (52, 5392092), (78, 3594728), (104, 2696046), (156, 1797364), (208, 1348023), (312, 898682), (624, 449341), (641, 437424), (701, 399984), (1282, 218712), (1402, 199992), (1923, 145808), (2103, 133328), (2564, 109356), (2804, 99996), (3846, 72904), (4206, 66664), (5128, 54678), (5608, 49998), (7692, 36452), (8333, 33648), (8412, 33332), (9113, 30768), (10256, 27339), (11216, 24999), (15384, 18226), (16666, 16824)]