163988360

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1\times {\mathrm{751}}^1$

素因数の和:918

約数の個数: 64

約数和(自身を含む): 380090880

約数和(自身を除く): 216102520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 103, 106, 206, 212, 265, 412, 424, 515, 530, 751, 824, 1030, 1060, 1502, 2060, 2120, 3004, 3755, 4120, 5459, 6008, 7510, 10918, 15020, 21836, 27295, 30040, 39803, 43672, 54590, 77353, 79606, 109180, 154706, 159212, 199015, 218360, 309412, 318424, 386765, 398030, 618824, 773530, 796060, 1547060, 1592120, 3094120, 4099709, 8199418, 16398836, 20498545, 32797672, 40997090, 81994180, 163988360]

約数ペア:

[(1, 163988360), (2, 81994180), (4, 40997090), (5, 32797672), (8, 20498545), (10, 16398836), (20, 8199418), (40, 4099709), (53, 3094120), (103, 1592120), (106, 1547060), (206, 796060), (212, 773530), (265, 618824), (412, 398030), (424, 386765), (515, 318424), (530, 309412), (751, 218360), (824, 199015), (1030, 159212), (1060, 154706), (1502, 109180), (2060, 79606), (2120, 77353), (3004, 54590), (3755, 43672), (4120, 39803), (5459, 30040), (6008, 27295), (7510, 21836), (10918, 15020)]