15688140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{20113}}^1$

素因数の和:20138

約数の個数: 48

約数和(自身を含む): 47308128

約数和(自身を除く): 31619988

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 20113, 40226, 60339, 80452, 100565, 120678, 201130, 241356, 261469, 301695, 402260, 522938, 603390, 784407, 1045876, 1206780, 1307345, 1568814, 2614690, 3137628, 3922035, 5229380, 7844070, 15688140]

約数ペア:

[(1, 15688140), (2, 7844070), (3, 5229380), (4, 3922035), (5, 3137628), (6, 2614690), (10, 1568814), (12, 1307345), (13, 1206780), (15, 1045876), (20, 784407), (26, 603390), (30, 522938), (39, 402260), (52, 301695), (60, 261469), (65, 241356), (78, 201130), (130, 120678), (156, 100565), (195, 80452), (260, 60339), (390, 40226), (780, 20113)]