68274640

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{17417}}^1$

素因数の和:17444

約数の個数: 60

約数和(自身を含む): 184665636

約数和(自身を除く): 116390996

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, 17417, 34834, 69668, 87085, 121919, 139336, 174170, 243838, 278672, 348340, 487676, 609595, 696680, 853433, 975352, 1219190, 1393360, 1706866, 1950704, 2438380, 3413732, 4267165, 4876760, 6827464, 8534330, 9753520, 13654928, 17068660, 34137320, 68274640]

約数ペア:

[(1, 68274640), (2, 34137320), (4, 17068660), (5, 13654928), (7, 9753520), (8, 8534330), (10, 6827464), (14, 4876760), (16, 4267165), (20, 3413732), (28, 2438380), (35, 1950704), (40, 1706866), (49, 1393360), (56, 1219190), (70, 975352), (80, 853433), (98, 696680), (112, 609595), (140, 487676), (196, 348340), (245, 278672), (280, 243838), (392, 174170), (490, 139336), (560, 121919), (784, 87085), (980, 69668), (1960, 34834), (3920, 17417)]