16187920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{211}}^1$

素因数の和:368

約数の個数: 80

約数和(自身を含む): 43532928

約数和(自身を除く): 27345008

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 137, 140, 211, 274, 280, 422, 548, 560, 685, 844, 959, 1055, 1096, 1370, 1477, 1688, 1918, 2110, 2192, 2740, 2954, 3376, 3836, 4220, 4795, 5480, 5908, 7385, 7672, 8440, 9590, 10960, 11816, 14770, 15344, 16880, 19180, 23632, 28907, 29540, 38360, 57814, 59080, 76720, 115628, 118160, 144535, 202349, 231256, 289070, 404698, 462512, 578140, 809396, 1011745, 1156280, 1618792, 2023490, 2312560, 3237584, 4046980, 8093960, 16187920]

約数ペア:

[(1, 16187920), (2, 8093960), (4, 4046980), (5, 3237584), (7, 2312560), (8, 2023490), (10, 1618792), (14, 1156280), (16, 1011745), (20, 809396), (28, 578140), (35, 462512), (40, 404698), (56, 289070), (70, 231256), (80, 202349), (112, 144535), (137, 118160), (140, 115628), (211, 76720), (274, 59080), (280, 57814), (422, 38360), (548, 29540), (560, 28907), (685, 23632), (844, 19180), (959, 16880), (1055, 15344), (1096, 14770), (1370, 11816), (1477, 10960), (1688, 9590), (1918, 8440), (2110, 7672), (2192, 7385), (2740, 5908), (2954, 5480), (3376, 4795), (3836, 4220)]