OFFSET
1,2
COMMENTS
196560 is the kissing number of the Leech lattice (cf. A008408). It is a famous number in the "Moonshine" investigations.
LINKS
N. J. A. Sloane, Table of n, a(n) for n = 1..160
Eiichi Bannai and N. J. A. Sloane, Uniqueness of certain spherical codes, Canad. J. Math. 33 (1981), no. 2, 437-449.
J. H. Conway and S. P. Norton, Monstrous Moonshine, Bull. Lond. Math. Soc. 11 (1979), no. 3, 308-339.
A. M. Odlyzko and N. J. A. Sloane, New bounds on the number of unit spheres that can touch a unit sphere in n dimensions, J. Combin. Theory Ser. A 26 (1979), no. 2, 210-214.
J. G. Thompson, Some numerology between the Fischer-Griess Monster and the elliptic modular function, Bull. London Math. Soc., 11 (1979), no. 3, 352-353.
MATHEMATICA
Divisors[196560] (* Paolo Xausa, Jul 01 2024 *)
PROG
(PARI) divisors(196560) \\ Charles R Greathouse IV, Feb 21 2013
CROSSREFS
KEYWORD
nonn,fini,full
AUTHOR
N. J. A. Sloane, Oct 23 2011, following a suggestion from Mark A. Thomas.
STATUS
approved