81234180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{451301}}^1$

素因数の和:451316

約数の個数: 36

約数和(自身を含む): 246410892

約数和(自身を除く): 165176712

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 451301, 902602, 1353903, 1805204, 2256505, 2707806, 4061709, 4513010, 5415612, 6769515, 8123418, 9026020, 13539030, 16246836, 20308545, 27078060, 40617090, 81234180]

約数ペア:

[(1, 81234180), (2, 40617090), (3, 27078060), (4, 20308545), (5, 16246836), (6, 13539030), (9, 9026020), (10, 8123418), (12, 6769515), (15, 5415612), (18, 4513010), (20, 4061709), (30, 2707806), (36, 2256505), (45, 1805204), (60, 1353903), (90, 902602), (180, 451301)]