28243920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{859}}^1$

素因数の和:1012

約数の個数: 80

約数和(自身を含む): 88297920

約数和(自身を除く): 60054000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 137, 240, 274, 411, 548, 685, 822, 859, 1096, 1370, 1644, 1718, 2055, 2192, 2577, 2740, 3288, 3436, 4110, 4295, 5154, 5480, 6576, 6872, 8220, 8590, 10308, 10960, 12885, 13744, 16440, 17180, 20616, 25770, 32880, 34360, 41232, 51540, 68720, 103080, 117683, 206160, 235366, 353049, 470732, 588415, 706098, 941464, 1176830, 1412196, 1765245, 1882928, 2353660, 2824392, 3530490, 4707320, 5648784, 7060980, 9414640, 14121960, 28243920]

約数ペア:

[(1, 28243920), (2, 14121960), (3, 9414640), (4, 7060980), (5, 5648784), (6, 4707320), (8, 3530490), (10, 2824392), (12, 2353660), (15, 1882928), (16, 1765245), (20, 1412196), (24, 1176830), (30, 941464), (40, 706098), (48, 588415), (60, 470732), (80, 353049), (120, 235366), (137, 206160), (240, 117683), (274, 103080), (411, 68720), (548, 51540), (685, 41232), (822, 34360), (859, 32880), (1096, 25770), (1370, 20616), (1644, 17180), (1718, 16440), (2055, 13744), (2192, 12885), (2577, 10960), (2740, 10308), (3288, 8590), (3436, 8220), (4110, 6872), (4295, 6576), (5154, 5480)]