16853580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{859}}^1$

素因数の和:983

約数の個数: 72

約数和(自身を含む): 51651600

約数和(自身を除く): 34798020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 109, 180, 218, 327, 436, 545, 654, 859, 981, 1090, 1308, 1635, 1718, 1962, 2180, 2577, 3270, 3436, 3924, 4295, 4905, 5154, 6540, 7731, 8590, 9810, 10308, 12885, 15462, 17180, 19620, 25770, 30924, 38655, 51540, 77310, 93631, 154620, 187262, 280893, 374524, 468155, 561786, 842679, 936310, 1123572, 1404465, 1685358, 1872620, 2808930, 3370716, 4213395, 5617860, 8426790, 16853580]

約数ペア:

[(1, 16853580), (2, 8426790), (3, 5617860), (4, 4213395), (5, 3370716), (6, 2808930), (9, 1872620), (10, 1685358), (12, 1404465), (15, 1123572), (18, 936310), (20, 842679), (30, 561786), (36, 468155), (45, 374524), (60, 280893), (90, 187262), (109, 154620), (180, 93631), (218, 77310), (327, 51540), (436, 38655), (545, 30924), (654, 25770), (859, 19620), (981, 17180), (1090, 15462), (1308, 12885), (1635, 10308), (1718, 9810), (1962, 8590), (2180, 7731), (2577, 6540), (3270, 5154), (3436, 4905), (3924, 4295)]