208893780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{487}}^1\times {\mathrm{2383}}^1$

素因数の和:2885

約数の個数: 72

約数和(自身を含む): 635212032

約数和(自身を除く): 426318252

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 487, 974, 1461, 1948, 2383, 2435, 2922, 4383, 4766, 4870, 5844, 7149, 7305, 8766, 9532, 9740, 11915, 14298, 14610, 17532, 21447, 21915, 23830, 28596, 29220, 35745, 42894, 43830, 47660, 71490, 85788, 87660, 107235, 142980, 214470, 428940, 1160521, 2321042, 3481563, 4642084, 5802605, 6963126, 10444689, 11605210, 13926252, 17407815, 20889378, 23210420, 34815630, 41778756, 52223445, 69631260, 104446890, 208893780]

約数ペア:

[(1, 208893780), (2, 104446890), (3, 69631260), (4, 52223445), (5, 41778756), (6, 34815630), (9, 23210420), (10, 20889378), (12, 17407815), (15, 13926252), (18, 11605210), (20, 10444689), (30, 6963126), (36, 5802605), (45, 4642084), (60, 3481563), (90, 2321042), (180, 1160521), (487, 428940), (974, 214470), (1461, 142980), (1948, 107235), (2383, 87660), (2435, 85788), (2922, 71490), (4383, 47660), (4766, 43830), (4870, 42894), (5844, 35745), (7149, 29220), (7305, 28596), (8766, 23830), (9532, 21915), (9740, 21447), (11915, 17532), (14298, 14610)]