81310140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{451723}}^1$

素因数の和:451738

約数の個数: 36

約数和(自身を含む): 246641304

約数和(自身を除く): 165331164

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 451723, 903446, 1355169, 1806892, 2258615, 2710338, 4065507, 4517230, 5420676, 6775845, 8131014, 9034460, 13551690, 16262028, 20327535, 27103380, 40655070, 81310140]

約数ペア:

[(1, 81310140), (2, 40655070), (3, 27103380), (4, 20327535), (5, 16262028), (6, 13551690), (9, 9034460), (10, 8131014), (12, 6775845), (15, 5420676), (18, 4517230), (20, 4065507), (30, 2710338), (36, 2258615), (45, 1806892), (60, 1355169), (90, 903446), (180, 451723)]