150020120

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{87221}}^1$

素因数の和:87275

約数の個数: 32

約数和(自身を含む): 345399120

約数和(自身を除く): 195379000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 87221, 174442, 348884, 436105, 697768, 872210, 1744420, 3488840, 3750503, 7501006, 15002012, 18752515, 30004024, 37505030, 75010060, 150020120]

約数ペア:

[(1, 150020120), (2, 75010060), (4, 37505030), (5, 30004024), (8, 18752515), (10, 15002012), (20, 7501006), (40, 3750503), (43, 3488840), (86, 1744420), (172, 872210), (215, 697768), (344, 436105), (430, 348884), (860, 174442), (1720, 87221)]