78876540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{438203}}^1$

素因数の和:438218

約数の個数: 36

約数和(自身を含む): 239259384

約数和(自身を除く): 160382844

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 438203, 876406, 1314609, 1752812, 2191015, 2629218, 3943827, 4382030, 5258436, 6573045, 7887654, 8764060, 13146090, 15775308, 19719135, 26292180, 39438270, 78876540]

約数ペア:

[(1, 78876540), (2, 39438270), (3, 26292180), (4, 19719135), (5, 15775308), (6, 13146090), (9, 8764060), (10, 7887654), (12, 6573045), (15, 5258436), (18, 4382030), (20, 3943827), (30, 2629218), (36, 2191015), (45, 1752812), (60, 1314609), (90, 876406), (180, 438203)]