1520143485

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{607}}^1$

素因数の和:723

約数の個数: 128

約数和(自身を含む): 3126657024

約数和(自身を除く): 1606513539

約数列:

[1, 3, 5, 7, 15, 17, 21, 23, 35, 51, 61, 69, 85, 105, 115, 119, 161, 183, 255, 305, 345, 357, 391, 427, 483, 595, 607, 805, 915, 1037, 1173, 1281, 1403, 1785, 1821, 1955, 2135, 2415, 2737, 3035, 3111, 4209, 4249, 5185, 5865, 6405, 7015, 7259, 8211, 9105, 9821, 10319, 12747, 13685, 13961, 15555, 21045, 21245, 21777, 23851, 29463, 30957, 36295, 37027, 41055, 41883, 49105, 51595, 63735, 69805, 71553, 72233, 97727, 108885, 111081, 119255, 147315, 154785, 166957, 185135, 209415, 216699, 237337, 259189, 293181, 357765, 361165, 488635, 500871, 555405, 629459, 712011, 777567, 834785, 851621, 1083495, 1186685, 1295945, 1465905, 1661359, 1888377, 2504355, 2554863, 3147295, 3560055, 3887835, 4258105, 4406213, 4984077, 5961347, 8306795, 9441885, 12774315, 13218639, 14477557, 17884041, 22031065, 24920385, 29806735, 43432671, 66093195, 72387785, 89420205, 101342899, 217163355, 304028697, 506714495, 1520143485]

約数ペア:

[(1, 1520143485), (3, 506714495), (5, 304028697), (7, 217163355), (15, 101342899), (17, 89420205), (21, 72387785), (23, 66093195), (35, 43432671), (51, 29806735), (61, 24920385), (69, 22031065), (85, 17884041), (105, 14477557), (115, 13218639), (119, 12774315), (161, 9441885), (183, 8306795), (255, 5961347), (305, 4984077), (345, 4406213), (357, 4258105), (391, 3887835), (427, 3560055), (483, 3147295), (595, 2554863), (607, 2504355), (805, 1888377), (915, 1661359), (1037, 1465905), (1173, 1295945), (1281, 1186685), (1403, 1083495), (1785, 851621), (1821, 834785), (1955, 777567), (2135, 712011), (2415, 629459), (2737, 555405), (3035, 500871), (3111, 488635), (4209, 361165), (4249, 357765), (5185, 293181), (5865, 259189), (6405, 237337), (7015, 216699), (7259, 209415), (8211, 185135), (9105, 166957), (9821, 154785), (10319, 147315), (12747, 119255), (13685, 111081), (13961, 108885), (15555, 97727), (21045, 72233), (21245, 71553), (21777, 69805), (23851, 63735), (29463, 51595), (30957, 49105), (36295, 41883), (37027, 41055)]