72895480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{1013}}^1$

素因数の和:1288

約数の個数: 64

約数和(自身を含む): 188360640

約数和(自身を除く): 115465160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 257, 280, 514, 1013, 1028, 1285, 1799, 2026, 2056, 2570, 3598, 4052, 5065, 5140, 7091, 7196, 8104, 8995, 10130, 10280, 14182, 14392, 17990, 20260, 28364, 35455, 35980, 40520, 56728, 70910, 71960, 141820, 260341, 283640, 520682, 1041364, 1301705, 1822387, 2082728, 2603410, 3644774, 5206820, 7289548, 9111935, 10413640, 14579096, 18223870, 36447740, 72895480]

約数ペア:

[(1, 72895480), (2, 36447740), (4, 18223870), (5, 14579096), (7, 10413640), (8, 9111935), (10, 7289548), (14, 5206820), (20, 3644774), (28, 2603410), (35, 2082728), (40, 1822387), (56, 1301705), (70, 1041364), (140, 520682), (257, 283640), (280, 260341), (514, 141820), (1013, 71960), (1028, 70910), (1285, 56728), (1799, 40520), (2026, 35980), (2056, 35455), (2570, 28364), (3598, 20260), (4052, 17990), (5065, 14392), (5140, 14182), (7091, 10280), (7196, 10130), (8104, 8995)]