15757420

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{2297}}^1$

素因数の和:2327

約数の個数: 48

約数和(自身を含む): 38606400

約数和(自身を除く): 22848980

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1715, 2297, 3430, 4594, 6860, 9188, 11485, 16079, 22970, 32158, 45940, 64316, 80395, 112553, 160790, 225106, 321580, 450212, 562765, 787871, 1125530, 1575742, 2251060, 3151484, 3939355, 7878710, 15757420]

約数ペア:

[(1, 15757420), (2, 7878710), (4, 3939355), (5, 3151484), (7, 2251060), (10, 1575742), (14, 1125530), (20, 787871), (28, 562765), (35, 450212), (49, 321580), (70, 225106), (98, 160790), (140, 112553), (196, 80395), (245, 64316), (343, 45940), (490, 32158), (686, 22970), (980, 16079), (1372, 11485), (1715, 9188), (2297, 6860), (3430, 4594)]