1242689920

素因数分解:

$2^7\times 5^1\times {\mathrm{127}}^1\times {\mathrm{15289}}^1$

素因数の和:15435

約数の個数: 64

約数和(自身を含む): 2994393600

約数和(自身を除く): 1751703680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 127, 128, 160, 254, 320, 508, 635, 640, 1016, 1270, 2032, 2540, 4064, 5080, 8128, 10160, 15289, 16256, 20320, 30578, 40640, 61156, 76445, 81280, 122312, 152890, 244624, 305780, 489248, 611560, 978496, 1223120, 1941703, 1956992, 2446240, 3883406, 4892480, 7766812, 9708515, 9784960, 15533624, 19417030, 31067248, 38834060, 62134496, 77668120, 124268992, 155336240, 248537984, 310672480, 621344960, 1242689920]

約数ペア:

[(1, 1242689920), (2, 621344960), (4, 310672480), (5, 248537984), (8, 155336240), (10, 124268992), (16, 77668120), (20, 62134496), (32, 38834060), (40, 31067248), (64, 19417030), (80, 15533624), (127, 9784960), (128, 9708515), (160, 7766812), (254, 4892480), (320, 3883406), (508, 2446240), (635, 1956992), (640, 1941703), (1016, 1223120), (1270, 978496), (2032, 611560), (2540, 489248), (4064, 305780), (5080, 244624), (8128, 152890), (10160, 122312), (15289, 81280), (16256, 76445), (20320, 61156), (30578, 40640)]