1290180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{21503}}^1$

素因数の和:21515

約数の個数: 24

約数和(自身を含む): 3612672

約数和(自身を除く): 2322492

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 21503, 43006, 64509, 86012, 107515, 129018, 215030, 258036, 322545, 430060, 645090, 1290180]

約数ペア:

[(1, 1290180), (2, 645090), (3, 430060), (4, 322545), (5, 258036), (6, 215030), (10, 129018), (12, 107515), (15, 86012), (20, 64509), (30, 43006), (60, 21503)]