68540745

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{337}}^1$

素因数の和:514

約数の個数: 64

約数和(自身を含む): 136281600

約数和(自身を除く): 67740855

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 65, 91, 105, 149, 195, 273, 337, 447, 455, 745, 1011, 1043, 1365, 1685, 1937, 2235, 2359, 3129, 4381, 5055, 5215, 5811, 7077, 9685, 11795, 13143, 13559, 15645, 21905, 29055, 30667, 35385, 40677, 50213, 65715, 67795, 92001, 150639, 153335, 203385, 251065, 351491, 460005, 652769, 753195, 1054473, 1757455, 1958307, 3263845, 4569383, 5272365, 9791535, 13708149, 22846915, 68540745]

約数ペア:

[(1, 68540745), (3, 22846915), (5, 13708149), (7, 9791535), (13, 5272365), (15, 4569383), (21, 3263845), (35, 1958307), (39, 1757455), (65, 1054473), (91, 753195), (105, 652769), (149, 460005), (195, 351491), (273, 251065), (337, 203385), (447, 153335), (455, 150639), (745, 92001), (1011, 67795), (1043, 65715), (1365, 50213), (1685, 40677), (1937, 35385), (2235, 30667), (2359, 29055), (3129, 21905), (4381, 15645), (5055, 13559), (5215, 13143), (5811, 11795), (7077, 9685)]