80939600

素因数分解:

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

素因数の和:373

約数の個数: 120

約数和(自身を含む): 224920128

約数和(自身を除く): 143980528

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 70, 80, 100, 112, 137, 140, 175, 200, 211, 274, 280, 350, 400, 422, 548, 560, 685, 700, 844, 959, 1055, 1096, 1370, 1400, 1477, 1688, 1918, 2110, 2192, 2740, 2800, 2954, 3376, 3425, 3836, 4220, 4795, 5275, 5480, 5908, 6850, 7385, 7672, 8440, 9590, 10550, 10960, 11816, 13700, 14770, 15344, 16880, 19180, 21100, 23632, 23975, 27400, 28907, 29540, 36925, 38360, 42200, 47950, 54800, 57814, 59080, 73850, 76720, 84400, 95900, 115628, 118160, 144535, 147700, 191800, 202349, 231256, 289070, 295400, 383600, 404698, 462512, 578140, 590800, 722675, 809396, 1011745, 1156280, 1445350, 1618792, 2023490, 2312560, 2890700, 3237584, 4046980, 5058725, 5781400, 8093960, 10117450, 11562800, 16187920, 20234900, 40469800, 80939600]

約数ペア:

[(1, 80939600), (2, 40469800), (4, 20234900), (5, 16187920), (7, 11562800), (8, 10117450), (10, 8093960), (14, 5781400), (16, 5058725), (20, 4046980), (25, 3237584), (28, 2890700), (35, 2312560), (40, 2023490), (50, 1618792), (56, 1445350), (70, 1156280), (80, 1011745), (100, 809396), (112, 722675), (137, 590800), (140, 578140), (175, 462512), (200, 404698), (211, 383600), (274, 295400), (280, 289070), (350, 231256), (400, 202349), (422, 191800), (548, 147700), (560, 144535), (685, 118160), (700, 115628), (844, 95900), (959, 84400), (1055, 76720), (1096, 73850), (1370, 59080), (1400, 57814), (1477, 54800), (1688, 47950), (1918, 42200), (2110, 38360), (2192, 36925), (2740, 29540), (2800, 28907), (2954, 27400), (3376, 23975), (3425, 23632), (3836, 21100), (4220, 19180), (4795, 16880), (5275, 15344), (5480, 14770), (5908, 13700), (6850, 11816), (7385, 10960), (7672, 10550), (8440, 9590)]