78457320

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{217937}}^1$

素因数の和:217954

約数の個数: 48

約数和(自身を含む): 254987460

約数和(自身を除く): 176530140

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 217937, 435874, 653811, 871748, 1089685, 1307622, 1743496, 1961433, 2179370, 2615244, 3269055, 3922866, 4358740, 5230488, 6538110, 7845732, 8717480, 9807165, 13076220, 15691464, 19614330, 26152440, 39228660, 78457320]

約数ペア:

[(1, 78457320), (2, 39228660), (3, 26152440), (4, 19614330), (5, 15691464), (6, 13076220), (8, 9807165), (9, 8717480), (10, 7845732), (12, 6538110), (15, 5230488), (18, 4358740), (20, 3922866), (24, 3269055), (30, 2615244), (36, 2179370), (40, 1961433), (45, 1743496), (60, 1307622), (72, 1089685), (90, 871748), (120, 653811), (180, 435874), (360, 217937)]