204400620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{541}}^1\times {\mathrm{2099}}^1$

素因数の和:2655

約数の個数: 72

約数和(自身を含む): 621457200

約数和(自身を除く): 417056580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 541, 1082, 1623, 2099, 2164, 2705, 3246, 4198, 4869, 5410, 6297, 6492, 8115, 8396, 9738, 10495, 10820, 12594, 16230, 18891, 19476, 20990, 24345, 25188, 31485, 32460, 37782, 41980, 48690, 62970, 75564, 94455, 97380, 125940, 188910, 377820, 1135559, 2271118, 3406677, 4542236, 5677795, 6813354, 10220031, 11355590, 13626708, 17033385, 20440062, 22711180, 34066770, 40880124, 51100155, 68133540, 102200310, 204400620]

約数ペア:

[(1, 204400620), (2, 102200310), (3, 68133540), (4, 51100155), (5, 40880124), (6, 34066770), (9, 22711180), (10, 20440062), (12, 17033385), (15, 13626708), (18, 11355590), (20, 10220031), (30, 6813354), (36, 5677795), (45, 4542236), (60, 3406677), (90, 2271118), (180, 1135559), (541, 377820), (1082, 188910), (1623, 125940), (2099, 97380), (2164, 94455), (2705, 75564), (3246, 62970), (4198, 48690), (4869, 41980), (5410, 37782), (6297, 32460), (6492, 31485), (8115, 25188), (8396, 24345), (9738, 20990), (10495, 19476), (10820, 18891), (12594, 16230)]