87843280

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{22409}}^1$

素因数の和:22436

約数の個数: 60

約数和(自身を含む): 237590820

約数和(自身を除く): 149747540

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, 22409, 44818, 89636, 112045, 156863, 179272, 224090, 313726, 358544, 448180, 627452, 784315, 896360, 1098041, 1254904, 1568630, 1792720, 2196082, 2509808, 3137260, 4392164, 5490205, 6274520, 8784328, 10980410, 12549040, 17568656, 21960820, 43921640, 87843280]

約数ペア:

[(1, 87843280), (2, 43921640), (4, 21960820), (5, 17568656), (7, 12549040), (8, 10980410), (10, 8784328), (14, 6274520), (16, 5490205), (20, 4392164), (28, 3137260), (35, 2509808), (40, 2196082), (49, 1792720), (56, 1568630), (70, 1254904), (80, 1098041), (98, 896360), (112, 784315), (140, 627452), (196, 448180), (245, 358544), (280, 313726), (392, 224090), (490, 179272), (560, 156863), (784, 112045), (980, 89636), (1960, 44818), (3920, 22409)]