138851820

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{85711}}^1$

素因数の和:85732

約数の個数: 60

約数和(自身を含む): 435588384

約数和(自身を除く): 296736564

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 85711, 171422, 257133, 342844, 428555, 514266, 771399, 857110, 1028532, 1285665, 1542798, 1714220, 2314197, 2571330, 3085596, 3856995, 4628394, 5142660, 6942591, 7713990, 9256788, 11570985, 13885182, 15427980, 23141970, 27770364, 34712955, 46283940, 69425910, 138851820]

約数ペア:

[(1, 138851820), (2, 69425910), (3, 46283940), (4, 34712955), (5, 27770364), (6, 23141970), (9, 15427980), (10, 13885182), (12, 11570985), (15, 9256788), (18, 7713990), (20, 6942591), (27, 5142660), (30, 4628394), (36, 3856995), (45, 3085596), (54, 2571330), (60, 2314197), (81, 1714220), (90, 1542798), (108, 1285665), (135, 1028532), (162, 857110), (180, 771399), (270, 514266), (324, 428555), (405, 342844), (540, 257133), (810, 171422), (1620, 85711)]