137835040

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{17581}}^1$

素因数の和:17610

約数の個数: 72

約数和(自身を含む): 378821772

約数和(自身を除く): 240986732

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 7840, 17581, 35162, 70324, 87905, 123067, 140648, 175810, 246134, 281296, 351620, 492268, 562592, 615335, 703240, 861469, 984536, 1230670, 1406480, 1722938, 1969072, 2461340, 2812960, 3445876, 3938144, 4307345, 4922680, 6891752, 8614690, 9845360, 13783504, 17229380, 19690720, 27567008, 34458760, 68917520, 137835040]

約数ペア:

[(1, 137835040), (2, 68917520), (4, 34458760), (5, 27567008), (7, 19690720), (8, 17229380), (10, 13783504), (14, 9845360), (16, 8614690), (20, 6891752), (28, 4922680), (32, 4307345), (35, 3938144), (40, 3445876), (49, 2812960), (56, 2461340), (70, 1969072), (80, 1722938), (98, 1406480), (112, 1230670), (140, 984536), (160, 861469), (196, 703240), (224, 615335), (245, 562592), (280, 492268), (392, 351620), (490, 281296), (560, 246134), (784, 175810), (980, 140648), (1120, 123067), (1568, 87905), (1960, 70324), (3920, 35162), (7840, 17581)]