1279129215

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{277}}^1$

素因数の和:521

約数の個数: 128

約数和(自身を含む): 2690150400

約数和(自身を除く): 1411021185

約数列:

[1, 3, 5, 7, 13, 15, 17, 21, 35, 39, 51, 65, 85, 91, 105, 119, 195, 199, 221, 255, 273, 277, 357, 455, 595, 597, 663, 831, 995, 1105, 1365, 1385, 1393, 1547, 1785, 1939, 2587, 2985, 3315, 3383, 3601, 4155, 4179, 4641, 4709, 5817, 6965, 7735, 7761, 9695, 10149, 10803, 12935, 14127, 16915, 18005, 18109, 20895, 23205, 23545, 23681, 25207, 29085, 32963, 38805, 43979, 50745, 54015, 54327, 55123, 61217, 70635, 71043, 75621, 90545, 98889, 118405, 126035, 131937, 164815, 165369, 183651, 219895, 271635, 275615, 306085, 307853, 355215, 378105, 385861, 428519, 494445, 659685, 716599, 826845, 918255, 923559, 937091, 1157583, 1285557, 1539265, 1929305, 2142595, 2149797, 2811273, 3582995, 4617795, 4685455, 5016193, 5787915, 6427785, 6559637, 10748985, 12182183, 14056365, 15048579, 19678911, 25080965, 32798185, 36546549, 60910915, 75242895, 85275281, 98394555, 182732745, 255825843, 426376405, 1279129215]

約数ペア:

[(1, 1279129215), (3, 426376405), (5, 255825843), (7, 182732745), (13, 98394555), (15, 85275281), (17, 75242895), (21, 60910915), (35, 36546549), (39, 32798185), (51, 25080965), (65, 19678911), (85, 15048579), (91, 14056365), (105, 12182183), (119, 10748985), (195, 6559637), (199, 6427785), (221, 5787915), (255, 5016193), (273, 4685455), (277, 4617795), (357, 3582995), (455, 2811273), (595, 2149797), (597, 2142595), (663, 1929305), (831, 1539265), (995, 1285557), (1105, 1157583), (1365, 937091), (1385, 923559), (1393, 918255), (1547, 826845), (1785, 716599), (1939, 659685), (2587, 494445), (2985, 428519), (3315, 385861), (3383, 378105), (3601, 355215), (4155, 307853), (4179, 306085), (4641, 275615), (4709, 271635), (5817, 219895), (6965, 183651), (7735, 165369), (7761, 164815), (9695, 131937), (10149, 126035), (10803, 118405), (12935, 98889), (14127, 90545), (16915, 75621), (18005, 71043), (18109, 70635), (20895, 61217), (23205, 55123), (23545, 54327), (23681, 54015), (25207, 50745), (29085, 43979), (32963, 38805)]