2787780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{479}}^1$

素因数の和:588

約数の個数: 48

約数和(自身を含む): 7902720

約数和(自身を除く): 5114940

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 97, 194, 291, 388, 479, 485, 582, 958, 970, 1164, 1437, 1455, 1916, 1940, 2395, 2874, 2910, 4790, 5748, 5820, 7185, 9580, 14370, 28740, 46463, 92926, 139389, 185852, 232315, 278778, 464630, 557556, 696945, 929260, 1393890, 2787780]

約数ペア:

[(1, 2787780), (2, 1393890), (3, 929260), (4, 696945), (5, 557556), (6, 464630), (10, 278778), (12, 232315), (15, 185852), (20, 139389), (30, 92926), (60, 46463), (97, 28740), (194, 14370), (291, 9580), (388, 7185), (479, 5820), (485, 5748), (582, 4790), (958, 2910), (970, 2874), (1164, 2395), (1437, 1940), (1455, 1916)]