30251790

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{7817}}^1$

素因数の和:7873

約数の個数: 48

約数和(自身を含む): 80494128

約数和(自身を除く): 50242338

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 43, 45, 86, 90, 129, 215, 258, 387, 430, 645, 774, 1290, 1935, 3870, 7817, 15634, 23451, 39085, 46902, 70353, 78170, 117255, 140706, 234510, 336131, 351765, 672262, 703530, 1008393, 1680655, 2016786, 3025179, 3361310, 5041965, 6050358, 10083930, 15125895, 30251790]

約数ペア:

[(1, 30251790), (2, 15125895), (3, 10083930), (5, 6050358), (6, 5041965), (9, 3361310), (10, 3025179), (15, 2016786), (18, 1680655), (30, 1008393), (43, 703530), (45, 672262), (86, 351765), (90, 336131), (129, 234510), (215, 140706), (258, 117255), (387, 78170), (430, 70353), (645, 46902), (774, 39085), (1290, 23451), (1935, 15634), (3870, 7817)]