28880880

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{17191}}^1$

素因数の和:17214

約数の個数: 80

約数和(自身を含む): 102326784

約数和(自身を除く): 73445904

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 17191, 34382, 51573, 68764, 85955, 103146, 120337, 137528, 171910, 206292, 240674, 257865, 275056, 343820, 361011, 412584, 481348, 515730, 601685, 687640, 722022, 825168, 962696, 1031460, 1203370, 1375280, 1444044, 1805055, 1925392, 2062920, 2406740, 2888088, 3610110, 4125840, 4813480, 5776176, 7220220, 9626960, 14440440, 28880880]

約数ペア:

[(1, 28880880), (2, 14440440), (3, 9626960), (4, 7220220), (5, 5776176), (6, 4813480), (7, 4125840), (8, 3610110), (10, 2888088), (12, 2406740), (14, 2062920), (15, 1925392), (16, 1805055), (20, 1444044), (21, 1375280), (24, 1203370), (28, 1031460), (30, 962696), (35, 825168), (40, 722022), (42, 687640), (48, 601685), (56, 515730), (60, 481348), (70, 412584), (80, 361011), (84, 343820), (105, 275056), (112, 257865), (120, 240674), (140, 206292), (168, 171910), (210, 137528), (240, 120337), (280, 103146), (336, 85955), (420, 68764), (560, 51573), (840, 34382), (1680, 17191)]