1992732660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{257459}}^1$

素因数の和:257517

約数の個数: 72

約数和(自身を含む): 6185219040

約数和(自身を除く): 4192486380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 86, 90, 129, 172, 180, 215, 258, 387, 430, 516, 645, 774, 860, 1290, 1548, 1935, 2580, 3870, 7740, 257459, 514918, 772377, 1029836, 1287295, 1544754, 2317131, 2574590, 3089508, 3861885, 4634262, 5149180, 7723770, 9268524, 11070737, 11585655, 15447540, 22141474, 23171310, 33212211, 44282948, 46342620, 55353685, 66424422, 99636633, 110707370, 132848844, 166061055, 199273266, 221414740, 332122110, 398546532, 498183165, 664244220, 996366330, 1992732660]

約数ペア:

[(1, 1992732660), (2, 996366330), (3, 664244220), (4, 498183165), (5, 398546532), (6, 332122110), (9, 221414740), (10, 199273266), (12, 166061055), (15, 132848844), (18, 110707370), (20, 99636633), (30, 66424422), (36, 55353685), (43, 46342620), (45, 44282948), (60, 33212211), (86, 23171310), (90, 22141474), (129, 15447540), (172, 11585655), (180, 11070737), (215, 9268524), (258, 7723770), (387, 5149180), (430, 4634262), (516, 3861885), (645, 3089508), (774, 2574590), (860, 2317131), (1290, 1544754), (1548, 1287295), (1935, 1029836), (2580, 772377), (3870, 514918), (7740, 257459)]