2912603960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{661}}^1\times {\mathrm{15737}}^1$

素因数の和:16416

約数の個数: 64

約数和(自身を含む): 7501360320

約数和(自身を除く): 4588756360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 661, 1322, 2644, 3305, 4627, 5288, 6610, 9254, 13220, 15737, 18508, 23135, 26440, 31474, 37016, 46270, 62948, 78685, 92540, 110159, 125896, 157370, 185080, 220318, 314740, 440636, 550795, 629480, 881272, 1101590, 2203180, 4406360, 10402157, 20804314, 41608628, 52010785, 72815099, 83217256, 104021570, 145630198, 208043140, 291260396, 364075495, 416086280, 582520792, 728150990, 1456301980, 2912603960]

約数ペア:

[(1, 2912603960), (2, 1456301980), (4, 728150990), (5, 582520792), (7, 416086280), (8, 364075495), (10, 291260396), (14, 208043140), (20, 145630198), (28, 104021570), (35, 83217256), (40, 72815099), (56, 52010785), (70, 41608628), (140, 20804314), (280, 10402157), (661, 4406360), (1322, 2203180), (2644, 1101590), (3305, 881272), (4627, 629480), (5288, 550795), (6610, 440636), (9254, 314740), (13220, 220318), (15737, 185080), (18508, 157370), (23135, 125896), (26440, 110159), (31474, 92540), (37016, 78685), (46270, 62948)]