15971060

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{379}}^1$

素因数の和:445

約数の個数: 72

約数和(自身を含む): 40027680

約数和(自身を除く): 24056620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 49, 70, 86, 98, 140, 172, 196, 215, 245, 301, 379, 430, 490, 602, 758, 860, 980, 1204, 1505, 1516, 1895, 2107, 2653, 3010, 3790, 4214, 5306, 6020, 7580, 8428, 10535, 10612, 13265, 16297, 18571, 21070, 26530, 32594, 37142, 42140, 53060, 65188, 74284, 81485, 92855, 114079, 162970, 185710, 228158, 325940, 371420, 456316, 570395, 798553, 1140790, 1597106, 2281580, 3194212, 3992765, 7985530, 15971060]

約数ペア:

[(1, 15971060), (2, 7985530), (4, 3992765), (5, 3194212), (7, 2281580), (10, 1597106), (14, 1140790), (20, 798553), (28, 570395), (35, 456316), (43, 371420), (49, 325940), (70, 228158), (86, 185710), (98, 162970), (140, 114079), (172, 92855), (196, 81485), (215, 74284), (245, 65188), (301, 53060), (379, 42140), (430, 37142), (490, 32594), (602, 26530), (758, 21070), (860, 18571), (980, 16297), (1204, 13265), (1505, 10612), (1516, 10535), (1895, 8428), (2107, 7580), (2653, 6020), (3010, 5306), (3790, 4214)]