77779980

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{144037}}^1$

素因数の和:144055

約数の個数: 48

約数和(自身を含む): 241983840

約数和(自身を除く): 164203860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 144037, 288074, 432111, 576148, 720185, 864222, 1296333, 1440370, 1728444, 2160555, 2592666, 2880740, 3888999, 4321110, 5185332, 6481665, 7777998, 8642220, 12963330, 15555996, 19444995, 25926660, 38889990, 77779980]

約数ペア:

[(1, 77779980), (2, 38889990), (3, 25926660), (4, 19444995), (5, 15555996), (6, 12963330), (9, 8642220), (10, 7777998), (12, 6481665), (15, 5185332), (18, 4321110), (20, 3888999), (27, 2880740), (30, 2592666), (36, 2160555), (45, 1728444), (54, 1440370), (60, 1296333), (90, 864222), (108, 720185), (135, 576148), (180, 432111), (270, 288074), (540, 144037)]