209144640

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{217859}}^1$

素因数の和:217879

約数の個数: 56

約数和(自身を含む): 664037280

約数和(自身を除く): 454892640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 160, 192, 240, 320, 480, 960, 217859, 435718, 653577, 871436, 1089295, 1307154, 1742872, 2178590, 2614308, 3267885, 3485744, 4357180, 5228616, 6535770, 6971488, 8714360, 10457232, 13071540, 13942976, 17428720, 20914464, 26143080, 34857440, 41828928, 52286160, 69714880, 104572320, 209144640]

約数ペア:

[(1, 209144640), (2, 104572320), (3, 69714880), (4, 52286160), (5, 41828928), (6, 34857440), (8, 26143080), (10, 20914464), (12, 17428720), (15, 13942976), (16, 13071540), (20, 10457232), (24, 8714360), (30, 6971488), (32, 6535770), (40, 5228616), (48, 4357180), (60, 3485744), (64, 3267885), (80, 2614308), (96, 2178590), (120, 1742872), (160, 1307154), (192, 1089295), (240, 871436), (320, 653577), (480, 435718), (960, 217859)]