78456720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{326903}}^1$

素因数の和:326919

約数の個数: 40

約数和(自身を含む): 243216576

約数和(自身を除く): 164759856

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 326903, 653806, 980709, 1307612, 1634515, 1961418, 2615224, 3269030, 3922836, 4903545, 5230448, 6538060, 7845672, 9807090, 13076120, 15691344, 19614180, 26152240, 39228360, 78456720]

約数ペア:

[(1, 78456720), (2, 39228360), (3, 26152240), (4, 19614180), (5, 15691344), (6, 13076120), (8, 9807090), (10, 7845672), (12, 6538060), (15, 5230448), (16, 4903545), (20, 3922836), (24, 3269030), (30, 2615224), (40, 1961418), (48, 1634515), (60, 1307612), (80, 980709), (120, 653806), (240, 326903)]