81564060

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1359401}}^1$

素因数の和:1359413

約数の個数: 24

約数和(自身を含む): 228379536

約数和(自身を除く): 146815476

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1359401, 2718802, 4078203, 5437604, 6797005, 8156406, 13594010, 16312812, 20391015, 27188020, 40782030, 81564060]

約数ペア:

[(1, 81564060), (2, 40782030), (3, 27188020), (4, 20391015), (5, 16312812), (6, 13594010), (10, 8156406), (12, 6797005), (15, 5437604), (20, 4078203), (30, 2718802), (60, 1359401)]