15287320

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{7211}}^1$

素因数の和:7275

約数の個数: 32

約数和(自身を含む): 35050320

約数和(自身を除く): 19763000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 7211, 14422, 28844, 36055, 57688, 72110, 144220, 288440, 382183, 764366, 1528732, 1910915, 3057464, 3821830, 7643660, 15287320]

約数ペア:

[(1, 15287320), (2, 7643660), (4, 3821830), (5, 3057464), (8, 1910915), (10, 1528732), (20, 764366), (40, 382183), (53, 288440), (106, 144220), (212, 72110), (265, 57688), (424, 36055), (530, 28844), (1060, 14422), (2120, 7211)]