1209081640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1193}}^1\times {\mathrm{1949}}^1$

素因数の和:3166

約数の個数: 64

約数和(自身を含む): 2933658000

約数和(自身を除く): 1724576360

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 1193, 1949, 2386, 3898, 4772, 5965, 7796, 9544, 9745, 11930, 15509, 15592, 19490, 23860, 25337, 31018, 38980, 47720, 50674, 62036, 77545, 77960, 101348, 124072, 126685, 155090, 202696, 253370, 310180, 506740, 620360, 1013480, 2325157, 4650314, 9300628, 11625785, 18601256, 23251570, 30227041, 46503140, 60454082, 93006280, 120908164, 151135205, 241816328, 302270410, 604540820, 1209081640]

約数ペア:

[(1, 1209081640), (2, 604540820), (4, 302270410), (5, 241816328), (8, 151135205), (10, 120908164), (13, 93006280), (20, 60454082), (26, 46503140), (40, 30227041), (52, 23251570), (65, 18601256), (104, 11625785), (130, 9300628), (260, 4650314), (520, 2325157), (1193, 1013480), (1949, 620360), (2386, 506740), (3898, 310180), (4772, 253370), (5965, 202696), (7796, 155090), (9544, 126685), (9745, 124072), (11930, 101348), (15509, 77960), (15592, 77545), (19490, 62036), (23860, 50674), (25337, 47720), (31018, 38980)]