78787620

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{145903}}^1$

素因数の和:145921

約数の個数: 48

約数和(自身を含む): 245118720

約数和(自身を除く): 166331100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 145903, 291806, 437709, 583612, 729515, 875418, 1313127, 1459030, 1750836, 2188545, 2626254, 2918060, 3939381, 4377090, 5252508, 6565635, 7878762, 8754180, 13131270, 15757524, 19696905, 26262540, 39393810, 78787620]

約数ペア:

[(1, 78787620), (2, 39393810), (3, 26262540), (4, 19696905), (5, 15757524), (6, 13131270), (9, 8754180), (10, 7878762), (12, 6565635), (15, 5252508), (18, 4377090), (20, 3939381), (27, 2918060), (30, 2626254), (36, 2188545), (45, 1750836), (54, 1459030), (60, 1313127), (90, 875418), (108, 729515), (135, 583612), (180, 437709), (270, 291806), (540, 145903)]