211784220

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{43577}}^1$

素因数の和:43601

約数の個数: 72

約数和(自身を含む): 666220464

約数和(自身を除く): 454436244

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 243, 270, 324, 405, 486, 540, 810, 972, 1215, 1620, 2430, 4860, 43577, 87154, 130731, 174308, 217885, 261462, 392193, 435770, 522924, 653655, 784386, 871540, 1176579, 1307310, 1568772, 1960965, 2353158, 2614620, 3529737, 3921930, 4706316, 5882895, 7059474, 7843860, 10589211, 11765790, 14118948, 17648685, 21178422, 23531580, 35297370, 42356844, 52946055, 70594740, 105892110, 211784220]

約数ペア:

[(1, 211784220), (2, 105892110), (3, 70594740), (4, 52946055), (5, 42356844), (6, 35297370), (9, 23531580), (10, 21178422), (12, 17648685), (15, 14118948), (18, 11765790), (20, 10589211), (27, 7843860), (30, 7059474), (36, 5882895), (45, 4706316), (54, 3921930), (60, 3529737), (81, 2614620), (90, 2353158), (108, 1960965), (135, 1568772), (162, 1307310), (180, 1176579), (243, 871540), (270, 784386), (324, 653655), (405, 522924), (486, 435770), (540, 392193), (810, 261462), (972, 217885), (1215, 174308), (1620, 130731), (2430, 87154), (4860, 43577)]