15582820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{193}}^1\times {\mathrm{367}}^1$

素因数の和:580

約数の個数: 48

約数和(自身を含む): 35981568

約数和(自身を除く): 20398748

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 193, 220, 367, 386, 734, 772, 965, 1468, 1835, 1930, 2123, 3670, 3860, 4037, 4246, 7340, 8074, 8492, 10615, 16148, 20185, 21230, 40370, 42460, 70831, 80740, 141662, 283324, 354155, 708310, 779141, 1416620, 1558282, 3116564, 3895705, 7791410, 15582820]

約数ペア:

[(1, 15582820), (2, 7791410), (4, 3895705), (5, 3116564), (10, 1558282), (11, 1416620), (20, 779141), (22, 708310), (44, 354155), (55, 283324), (110, 141662), (193, 80740), (220, 70831), (367, 42460), (386, 40370), (734, 21230), (772, 20185), (965, 16148), (1468, 10615), (1835, 8492), (1930, 8074), (2123, 7340), (3670, 4246), (3860, 4037)]