81022860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{450127}}^1$

素因数の和:450142

約数の個数: 36

約数和(自身を含む): 245769888

約数和(自身を除く): 164747028

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 450127, 900254, 1350381, 1800508, 2250635, 2700762, 4051143, 4501270, 5401524, 6751905, 8102286, 9002540, 13503810, 16204572, 20255715, 27007620, 40511430, 81022860]

約数ペア:

[(1, 81022860), (2, 40511430), (3, 27007620), (4, 20255715), (5, 16204572), (6, 13503810), (9, 9002540), (10, 8102286), (12, 6751905), (15, 5401524), (18, 4501270), (20, 4051143), (30, 2700762), (36, 2250635), (45, 1800508), (60, 1350381), (90, 900254), (180, 450127)]