13613180

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{479}}^1$

素因数の和:531

約数の個数: 72

約数和(自身を含む): 34473600

約数和(自身を除く): 20860420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 49, 58, 70, 98, 116, 140, 145, 196, 203, 245, 290, 406, 479, 490, 580, 812, 958, 980, 1015, 1421, 1916, 2030, 2395, 2842, 3353, 4060, 4790, 5684, 6706, 7105, 9580, 13412, 13891, 14210, 16765, 23471, 27782, 28420, 33530, 46942, 55564, 67060, 69455, 93884, 97237, 117355, 138910, 194474, 234710, 277820, 388948, 469420, 486185, 680659, 972370, 1361318, 1944740, 2722636, 3403295, 6806590, 13613180]

約数ペア:

[(1, 13613180), (2, 6806590), (4, 3403295), (5, 2722636), (7, 1944740), (10, 1361318), (14, 972370), (20, 680659), (28, 486185), (29, 469420), (35, 388948), (49, 277820), (58, 234710), (70, 194474), (98, 138910), (116, 117355), (140, 97237), (145, 93884), (196, 69455), (203, 67060), (245, 55564), (290, 46942), (406, 33530), (479, 28420), (490, 27782), (580, 23471), (812, 16765), (958, 14210), (980, 13891), (1015, 13412), (1421, 9580), (1916, 7105), (2030, 6706), (2395, 5684), (2842, 4790), (3353, 4060)]