138547920

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{82469}}^1$

素因数の和:82492

約数の個数: 80

約数和(自身を含む): 490861440

約数和(自身を除く): 352313520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 82469, 164938, 247407, 329876, 412345, 494814, 577283, 659752, 824690, 989628, 1154566, 1237035, 1319504, 1649380, 1731849, 1979256, 2309132, 2474070, 2886415, 3298760, 3463698, 3958512, 4618264, 4948140, 5772830, 6597520, 6927396, 8659245, 9236528, 9896280, 11545660, 13854792, 17318490, 19792560, 23091320, 27709584, 34636980, 46182640, 69273960, 138547920]

約数ペア:

[(1, 138547920), (2, 69273960), (3, 46182640), (4, 34636980), (5, 27709584), (6, 23091320), (7, 19792560), (8, 17318490), (10, 13854792), (12, 11545660), (14, 9896280), (15, 9236528), (16, 8659245), (20, 6927396), (21, 6597520), (24, 5772830), (28, 4948140), (30, 4618264), (35, 3958512), (40, 3463698), (42, 3298760), (48, 2886415), (56, 2474070), (60, 2309132), (70, 1979256), (80, 1731849), (84, 1649380), (105, 1319504), (112, 1237035), (120, 1154566), (140, 989628), (168, 824690), (210, 659752), (240, 577283), (280, 494814), (336, 412345), (420, 329876), (560, 247407), (840, 164938), (1680, 82469)]