6439980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{181}}^1\times {\mathrm{593}}^1$

素因数の和:786

約数の個数: 48

約数和(自身を含む): 18162144

約数和(自身を除く): 11722164

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 181, 362, 543, 593, 724, 905, 1086, 1186, 1779, 1810, 2172, 2372, 2715, 2965, 3558, 3620, 5430, 5930, 7116, 8895, 10860, 11860, 17790, 35580, 107333, 214666, 321999, 429332, 536665, 643998, 1073330, 1287996, 1609995, 2146660, 3219990, 6439980]

約数ペア:

[(1, 6439980), (2, 3219990), (3, 2146660), (4, 1609995), (5, 1287996), (6, 1073330), (10, 643998), (12, 536665), (15, 429332), (20, 321999), (30, 214666), (60, 107333), (181, 35580), (362, 17790), (543, 11860), (593, 10860), (724, 8895), (905, 7116), (1086, 5930), (1186, 5430), (1779, 3620), (1810, 3558), (2172, 2965), (2372, 2715)]