13240780

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{59}}^1\times {\mathrm{229}}^1$

素因数の和:311

約数の個数: 72

約数和(自身を含む): 33037200

約数和(自身を除く): 19796420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 59, 70, 98, 118, 140, 196, 229, 236, 245, 295, 413, 458, 490, 590, 826, 916, 980, 1145, 1180, 1603, 1652, 2065, 2290, 2891, 3206, 4130, 4580, 5782, 6412, 8015, 8260, 11221, 11564, 13511, 14455, 16030, 22442, 27022, 28910, 32060, 44884, 54044, 56105, 57820, 67555, 94577, 112210, 135110, 189154, 224420, 270220, 378308, 472885, 662039, 945770, 1324078, 1891540, 2648156, 3310195, 6620390, 13240780]

約数ペア:

[(1, 13240780), (2, 6620390), (4, 3310195), (5, 2648156), (7, 1891540), (10, 1324078), (14, 945770), (20, 662039), (28, 472885), (35, 378308), (49, 270220), (59, 224420), (70, 189154), (98, 135110), (118, 112210), (140, 94577), (196, 67555), (229, 57820), (236, 56105), (245, 54044), (295, 44884), (413, 32060), (458, 28910), (490, 27022), (590, 22442), (826, 16030), (916, 14455), (980, 13511), (1145, 11564), (1180, 11221), (1603, 8260), (1652, 8015), (2065, 6412), (2290, 5782), (2891, 4580), (3206, 4130)]