639960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{5333}}^1$

素因数の和:5347

約数の個数: 32

約数和(自身を含む): 1920240

約数和(自身を除く): 1280280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 5333, 10666, 15999, 21332, 26665, 31998, 42664, 53330, 63996, 79995, 106660, 127992, 159990, 213320, 319980, 639960]

約数ペア:

[(1, 639960), (2, 319980), (3, 213320), (4, 159990), (5, 127992), (6, 106660), (8, 79995), (10, 63996), (12, 53330), (15, 42664), (20, 31998), (24, 26665), (30, 21332), (40, 15999), (60, 10666), (120, 5333)]