256076800

素因数分解:

$2^{10}\times 5^2\times 7^1\times {\mathrm{1429}}^1$

素因数の和:1466

約数の個数: 132

約数和(自身を含む): 725948080

約数和(自身を除く): 469871280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 64, 70, 80, 100, 112, 128, 140, 160, 175, 200, 224, 256, 280, 320, 350, 400, 448, 512, 560, 640, 700, 800, 896, 1024, 1120, 1280, 1400, 1429, 1600, 1792, 2240, 2560, 2800, 2858, 3200, 3584, 4480, 5120, 5600, 5716, 6400, 7145, 7168, 8960, 10003, 11200, 11432, 12800, 14290, 17920, 20006, 22400, 22864, 25600, 28580, 35725, 35840, 40012, 44800, 45728, 50015, 57160, 71450, 80024, 89600, 91456, 100030, 114320, 142900, 160048, 179200, 182912, 200060, 228640, 250075, 285800, 320096, 365824, 400120, 457280, 500150, 571600, 640192, 731648, 800240, 914560, 1000300, 1143200, 1280384, 1463296, 1600480, 1829120, 2000600, 2286400, 2560768, 3200960, 3658240, 4001200, 4572800, 5121536, 6401920, 7316480, 8002400, 9145600, 10243072, 12803840, 16004800, 18291200, 25607680, 32009600, 36582400, 51215360, 64019200, 128038400, 256076800]

約数ペア:

[(1, 256076800), (2, 128038400), (4, 64019200), (5, 51215360), (7, 36582400), (8, 32009600), (10, 25607680), (14, 18291200), (16, 16004800), (20, 12803840), (25, 10243072), (28, 9145600), (32, 8002400), (35, 7316480), (40, 6401920), (50, 5121536), (56, 4572800), (64, 4001200), (70, 3658240), (80, 3200960), (100, 2560768), (112, 2286400), (128, 2000600), (140, 1829120), (160, 1600480), (175, 1463296), (200, 1280384), (224, 1143200), (256, 1000300), (280, 914560), (320, 800240), (350, 731648), (400, 640192), (448, 571600), (512, 500150), (560, 457280), (640, 400120), (700, 365824), (800, 320096), (896, 285800), (1024, 250075), (1120, 228640), (1280, 200060), (1400, 182912), (1429, 179200), (1600, 160048), (1792, 142900), (2240, 114320), (2560, 100030), (2800, 91456), (2858, 89600), (3200, 80024), (3584, 71450), (4480, 57160), (5120, 50015), (5600, 45728), (5716, 44800), (6400, 40012), (7145, 35840), (7168, 35725), (8960, 28580), (10003, 25600), (11200, 22864), (11432, 22400), (12800, 20006), (14290, 17920)]