131269040

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{33487}}^1$

素因数の和:33514

約数の個数: 60

約数和(自身を含む): 355039776

約数和(自身を除く): 223770736

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 33487, 66974, 133948, 167435, 234409, 267896, 334870, 468818, 535792, 669740, 937636, 1172045, 1339480, 1640863, 1875272, 2344090, 2678960, 3281726, 3750544, 4688180, 6563452, 8204315, 9376360, 13126904, 16408630, 18752720, 26253808, 32817260, 65634520, 131269040]

約数ペア:

[(1, 131269040), (2, 65634520), (4, 32817260), (5, 26253808), (7, 18752720), (8, 16408630), (10, 13126904), (14, 9376360), (16, 8204315), (20, 6563452), (28, 4688180), (35, 3750544), (40, 3281726), (49, 2678960), (56, 2344090), (70, 1875272), (80, 1640863), (98, 1339480), (112, 1172045), (140, 937636), (196, 669740), (245, 535792), (280, 468818), (392, 334870), (490, 267896), (560, 234409), (784, 167435), (980, 133948), (1960, 66974), (3920, 33487)]