66964240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{607}}^1$

素因数の和:824

約数の個数: 80

約数和(自身を含む): 179131392

約数和(自身を除く): 112167152

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 197, 280, 394, 560, 607, 788, 985, 1214, 1379, 1576, 1970, 2428, 2758, 3035, 3152, 3940, 4249, 4856, 5516, 6070, 6895, 7880, 8498, 9712, 11032, 12140, 13790, 15760, 16996, 21245, 22064, 24280, 27580, 33992, 42490, 48560, 55160, 67984, 84980, 110320, 119579, 169960, 239158, 339920, 478316, 597895, 837053, 956632, 1195790, 1674106, 1913264, 2391580, 3348212, 4185265, 4783160, 6696424, 8370530, 9566320, 13392848, 16741060, 33482120, 66964240]

約数ペア:

[(1, 66964240), (2, 33482120), (4, 16741060), (5, 13392848), (7, 9566320), (8, 8370530), (10, 6696424), (14, 4783160), (16, 4185265), (20, 3348212), (28, 2391580), (35, 1913264), (40, 1674106), (56, 1195790), (70, 956632), (80, 837053), (112, 597895), (140, 478316), (197, 339920), (280, 239158), (394, 169960), (560, 119579), (607, 110320), (788, 84980), (985, 67984), (1214, 55160), (1379, 48560), (1576, 42490), (1970, 33992), (2428, 27580), (2758, 24280), (3035, 22064), (3152, 21245), (3940, 16996), (4249, 15760), (4856, 13790), (5516, 12140), (6070, 11032), (6895, 9712), (7880, 8498)]