28719960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{239333}}^1$

素因数の和:239347

約数の個数: 32

約数和(自身を含む): 86160240

約数和(自身を除く): 57440280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 239333, 478666, 717999, 957332, 1196665, 1435998, 1914664, 2393330, 2871996, 3589995, 4786660, 5743992, 7179990, 9573320, 14359980, 28719960]

約数ペア:

[(1, 28719960), (2, 14359980), (3, 9573320), (4, 7179990), (5, 5743992), (6, 4786660), (8, 3589995), (10, 2871996), (12, 2393330), (15, 1914664), (20, 1435998), (24, 1196665), (30, 957332), (40, 717999), (60, 478666), (120, 239333)]