61511280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{1301}}^1$

素因数の和:1514

約数の個数: 80

約数和(自身を含む): 191800224

約数和(自身を除く): 130288944

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 197, 240, 394, 591, 788, 985, 1182, 1301, 1576, 1970, 2364, 2602, 2955, 3152, 3903, 3940, 4728, 5204, 5910, 6505, 7806, 7880, 9456, 10408, 11820, 13010, 15612, 15760, 19515, 20816, 23640, 26020, 31224, 39030, 47280, 52040, 62448, 78060, 104080, 156120, 256297, 312240, 512594, 768891, 1025188, 1281485, 1537782, 2050376, 2562970, 3075564, 3844455, 4100752, 5125940, 6151128, 7688910, 10251880, 12302256, 15377820, 20503760, 30755640, 61511280]

約数ペア:

[(1, 61511280), (2, 30755640), (3, 20503760), (4, 15377820), (5, 12302256), (6, 10251880), (8, 7688910), (10, 6151128), (12, 5125940), (15, 4100752), (16, 3844455), (20, 3075564), (24, 2562970), (30, 2050376), (40, 1537782), (48, 1281485), (60, 1025188), (80, 768891), (120, 512594), (197, 312240), (240, 256297), (394, 156120), (591, 104080), (788, 78060), (985, 62448), (1182, 52040), (1301, 47280), (1576, 39030), (1970, 31224), (2364, 26020), (2602, 23640), (2955, 20816), (3152, 19515), (3903, 15760), (3940, 15612), (4728, 13010), (5204, 11820), (5910, 10408), (6505, 9456), (7806, 7880)]