65608740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{389}}^1\times {\mathrm{937}}^1$

素因数の和:1341

約数の個数: 72

約数和(自身を含む): 199737720

約数和(自身を除く): 134128980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 389, 778, 937, 1167, 1556, 1874, 1945, 2334, 2811, 3501, 3748, 3890, 4668, 4685, 5622, 5835, 7002, 7780, 8433, 9370, 11244, 11670, 14004, 14055, 16866, 17505, 18740, 23340, 28110, 33732, 35010, 42165, 56220, 70020, 84330, 168660, 364493, 728986, 1093479, 1457972, 1822465, 2186958, 3280437, 3644930, 4373916, 5467395, 6560874, 7289860, 10934790, 13121748, 16402185, 21869580, 32804370, 65608740]

約数ペア:

[(1, 65608740), (2, 32804370), (3, 21869580), (4, 16402185), (5, 13121748), (6, 10934790), (9, 7289860), (10, 6560874), (12, 5467395), (15, 4373916), (18, 3644930), (20, 3280437), (30, 2186958), (36, 1822465), (45, 1457972), (60, 1093479), (90, 728986), (180, 364493), (389, 168660), (778, 84330), (937, 70020), (1167, 56220), (1556, 42165), (1874, 35010), (1945, 33732), (2334, 28110), (2811, 23340), (3501, 18740), (3748, 17505), (3890, 16866), (4668, 14055), (4685, 14004), (5622, 11670), (5835, 11244), (7002, 9370), (7780, 8433)]