81288960

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{21169}}^1$

素因数の和:21193

約数の個数: 72

約数和(自身を含む): 259628880

約数和(自身を除く): 178339920

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, 640, 768, 960, 1280, 1920, 3840, 21169, 42338, 63507, 84676, 105845, 127014, 169352, 211690, 254028, 317535, 338704, 423380, 508056, 635070, 677408, 846760, 1016112, 1270140, 1354816, 1693520, 2032224, 2540280, 2709632, 3387040, 4064448, 5080560, 5419264, 6774080, 8128896, 10161120, 13548160, 16257792, 20322240, 27096320, 40644480, 81288960]

約数ペア:

[(1, 81288960), (2, 40644480), (3, 27096320), (4, 20322240), (5, 16257792), (6, 13548160), (8, 10161120), (10, 8128896), (12, 6774080), (15, 5419264), (16, 5080560), (20, 4064448), (24, 3387040), (30, 2709632), (32, 2540280), (40, 2032224), (48, 1693520), (60, 1354816), (64, 1270140), (80, 1016112), (96, 846760), (120, 677408), (128, 635070), (160, 508056), (192, 423380), (240, 338704), (256, 317535), (320, 254028), (384, 211690), (480, 169352), (640, 127014), (768, 105845), (960, 84676), (1280, 63507), (1920, 42338), (3840, 21169)]