78988860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{438827}}^1$

素因数の和:438842

約数の個数: 36

約数和(自身を含む): 239600088

約数和(自身を除く): 160611228

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 438827, 877654, 1316481, 1755308, 2194135, 2632962, 3949443, 4388270, 5265924, 6582405, 7898886, 8776540, 13164810, 15797772, 19747215, 26329620, 39494430, 78988860]

約数ペア:

[(1, 78988860), (2, 39494430), (3, 26329620), (4, 19747215), (5, 15797772), (6, 13164810), (9, 8776540), (10, 7898886), (12, 6582405), (15, 5265924), (18, 4388270), (20, 3949443), (30, 2632962), (36, 2194135), (45, 1755308), (60, 1316481), (90, 877654), (180, 438827)]