78918660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{337}}^1\times {\mathrm{1301}}^1$

素因数の和:1653

約数の個数: 72

約数和(自身を含む): 240281496

約数和(自身を除く): 161362836

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 337, 674, 1011, 1301, 1348, 1685, 2022, 2602, 3033, 3370, 3903, 4044, 5055, 5204, 6066, 6505, 6740, 7806, 10110, 11709, 12132, 13010, 15165, 15612, 19515, 20220, 23418, 26020, 30330, 39030, 46836, 58545, 60660, 78060, 117090, 234180, 438437, 876874, 1315311, 1753748, 2192185, 2630622, 3945933, 4384370, 5261244, 6576555, 7891866, 8768740, 13153110, 15783732, 19729665, 26306220, 39459330, 78918660]

約数ペア:

[(1, 78918660), (2, 39459330), (3, 26306220), (4, 19729665), (5, 15783732), (6, 13153110), (9, 8768740), (10, 7891866), (12, 6576555), (15, 5261244), (18, 4384370), (20, 3945933), (30, 2630622), (36, 2192185), (45, 1753748), (60, 1315311), (90, 876874), (180, 438437), (337, 234180), (674, 117090), (1011, 78060), (1301, 60660), (1348, 58545), (1685, 46836), (2022, 39030), (2602, 30330), (3033, 26020), (3370, 23418), (3903, 20220), (4044, 19515), (5055, 15612), (5204, 15165), (6066, 13010), (6505, 12132), (6740, 11709), (7806, 10110)]