71679420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{398219}}^1$

素因数の和:398234

約数の個数: 36

約数和(自身を含む): 217428120

約数和(自身を除く): 145748700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 398219, 796438, 1194657, 1592876, 1991095, 2389314, 3583971, 3982190, 4778628, 5973285, 7167942, 7964380, 11946570, 14335884, 17919855, 23893140, 35839710, 71679420]

約数ペア:

[(1, 71679420), (2, 35839710), (3, 23893140), (4, 17919855), (5, 14335884), (6, 11946570), (9, 7964380), (10, 7167942), (12, 5973285), (15, 4778628), (18, 3982190), (20, 3583971), (30, 2389314), (36, 1991095), (45, 1592876), (60, 1194657), (90, 796438), (180, 398219)]