81666870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{397}}^1\times {\mathrm{6857}}^1$

素因数の和:7264

約数の個数: 32

約数和(自身を含む): 196522848

約数和(自身を除く): 114855978

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 397, 794, 1191, 1985, 2382, 3970, 5955, 6857, 11910, 13714, 20571, 34285, 41142, 68570, 102855, 205710, 2722229, 5444458, 8166687, 13611145, 16333374, 27222290, 40833435, 81666870]

約数ペア:

[(1, 81666870), (2, 40833435), (3, 27222290), (5, 16333374), (6, 13611145), (10, 8166687), (15, 5444458), (30, 2722229), (397, 205710), (794, 102855), (1191, 68570), (1985, 41142), (2382, 34285), (3970, 20571), (5955, 13714), (6857, 11910)]