16291980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{90511}}^1$

素因数の和:90526

約数の個数: 36

約数和(自身を含む): 49419552

約数和(自身を除く): 33127572

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 90511, 181022, 271533, 362044, 452555, 543066, 814599, 905110, 1086132, 1357665, 1629198, 1810220, 2715330, 3258396, 4072995, 5430660, 8145990, 16291980]

約数ペア:

[(1, 16291980), (2, 8145990), (3, 5430660), (4, 4072995), (5, 3258396), (6, 2715330), (9, 1810220), (10, 1629198), (12, 1357665), (15, 1086132), (18, 905110), (20, 814599), (30, 543066), (36, 452555), (45, 362044), (60, 271533), (90, 181022), (180, 90511)]