28437720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{236981}}^1$

素因数の和:236995

約数の個数: 32

約数和(自身を含む): 85313520

約数和(自身を除く): 56875800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 236981, 473962, 710943, 947924, 1184905, 1421886, 1895848, 2369810, 2843772, 3554715, 4739620, 5687544, 7109430, 9479240, 14218860, 28437720]

約数ペア:

[(1, 28437720), (2, 14218860), (3, 9479240), (4, 7109430), (5, 5687544), (6, 4739620), (8, 3554715), (10, 2843772), (12, 2369810), (15, 1895848), (20, 1421886), (24, 1184905), (30, 947924), (40, 710943), (60, 473962), (120, 236981)]