163865120

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^2\times {\mathrm{2837}}^1$

素因数の和:2890

約数の個数: 72

約数和(自身を含む): 408723084

約数和(自身を除く): 244857964

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 361, 380, 608, 722, 760, 1444, 1520, 1805, 2837, 2888, 3040, 3610, 5674, 5776, 7220, 11348, 11552, 14185, 14440, 22696, 28370, 28880, 45392, 53903, 56740, 57760, 90784, 107806, 113480, 215612, 226960, 269515, 431224, 453920, 539030, 862448, 1024157, 1078060, 1724896, 2048314, 2156120, 4096628, 4312240, 5120785, 8193256, 8624480, 10241570, 16386512, 20483140, 32773024, 40966280, 81932560, 163865120]

約数ペア:

[(1, 163865120), (2, 81932560), (4, 40966280), (5, 32773024), (8, 20483140), (10, 16386512), (16, 10241570), (19, 8624480), (20, 8193256), (32, 5120785), (38, 4312240), (40, 4096628), (76, 2156120), (80, 2048314), (95, 1724896), (152, 1078060), (160, 1024157), (190, 862448), (304, 539030), (361, 453920), (380, 431224), (608, 269515), (722, 226960), (760, 215612), (1444, 113480), (1520, 107806), (1805, 90784), (2837, 57760), (2888, 56740), (3040, 53903), (3610, 45392), (5674, 28880), (5776, 28370), (7220, 22696), (11348, 14440), (11552, 14185)]