42763280

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{10909}}^1$

素因数の和:10936

約数の個数: 60

約数和(自身を含む): 115667820

約数和(自身を除く): 72904540

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, 10909, 21818, 43636, 54545, 76363, 87272, 109090, 152726, 174544, 218180, 305452, 381815, 436360, 534541, 610904, 763630, 872720, 1069082, 1221808, 1527260, 2138164, 2672705, 3054520, 4276328, 5345410, 6109040, 8552656, 10690820, 21381640, 42763280]

約数ペア:

[(1, 42763280), (2, 21381640), (4, 10690820), (5, 8552656), (7, 6109040), (8, 5345410), (10, 4276328), (14, 3054520), (16, 2672705), (20, 2138164), (28, 1527260), (35, 1221808), (40, 1069082), (49, 872720), (56, 763630), (70, 610904), (80, 534541), (98, 436360), (112, 381815), (140, 305452), (196, 218180), (245, 174544), (280, 152726), (392, 109090), (490, 87272), (560, 76363), (784, 54545), (980, 43636), (1960, 21818), (3920, 10909)]