81415680

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{10601}}^1$

素因数の和:10627

約数の個数: 80

約数和(自身を含む): 260300304

約数和(自身を除く): 178884624

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 320, 384, 480, 512, 640, 768, 960, 1280, 1536, 1920, 2560, 3840, 7680, 10601, 21202, 31803, 42404, 53005, 63606, 84808, 106010, 127212, 159015, 169616, 212020, 254424, 318030, 339232, 424040, 508848, 636060, 678464, 848080, 1017696, 1272120, 1356928, 1696160, 2035392, 2544240, 2713856, 3392320, 4070784, 5088480, 5427712, 6784640, 8141568, 10176960, 13569280, 16283136, 20353920, 27138560, 40707840, 81415680]

約数ペア:

[(1, 81415680), (2, 40707840), (3, 27138560), (4, 20353920), (5, 16283136), (6, 13569280), (8, 10176960), (10, 8141568), (12, 6784640), (15, 5427712), (16, 5088480), (20, 4070784), (24, 3392320), (30, 2713856), (32, 2544240), (40, 2035392), (48, 1696160), (60, 1356928), (64, 1272120), (80, 1017696), (96, 848080), (120, 678464), (128, 636060), (160, 508848), (192, 424040), (240, 339232), (256, 318030), (320, 254424), (384, 212020), (480, 169616), (512, 159015), (640, 127212), (768, 106010), (960, 84808), (1280, 63606), (1536, 53005), (1920, 42404), (2560, 31803), (3840, 21202), (7680, 10601)]