2687653960

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{21017}}^1$

素因数の和:21190

約数の個数: 64

約数和(自身を含む): 6355843200

約数和(自身を除く): 3668189240

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 139, 184, 230, 278, 460, 556, 695, 920, 1112, 1390, 2780, 3197, 5560, 6394, 12788, 15985, 21017, 25576, 31970, 42034, 63940, 84068, 105085, 127880, 168136, 210170, 420340, 483391, 840680, 966782, 1933564, 2416955, 2921363, 3867128, 4833910, 5842726, 9667820, 11685452, 14606815, 19335640, 23370904, 29213630, 58427260, 67191349, 116854520, 134382698, 268765396, 335956745, 537530792, 671913490, 1343826980, 2687653960]

約数ペア:

[(1, 2687653960), (2, 1343826980), (4, 671913490), (5, 537530792), (8, 335956745), (10, 268765396), (20, 134382698), (23, 116854520), (40, 67191349), (46, 58427260), (92, 29213630), (115, 23370904), (139, 19335640), (184, 14606815), (230, 11685452), (278, 9667820), (460, 5842726), (556, 4833910), (695, 3867128), (920, 2921363), (1112, 2416955), (1390, 1933564), (2780, 966782), (3197, 840680), (5560, 483391), (6394, 420340), (12788, 210170), (15985, 168136), (21017, 127880), (25576, 105085), (31970, 84068), (42034, 63940)]