81737920

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^2\times {\mathrm{2111}}^1$

素因数の和:2150

約数の個数: 84

約数和(自身を含む): 214042752

約数和(自身を除く): 132304832

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 121, 160, 176, 220, 242, 320, 352, 440, 484, 605, 704, 880, 968, 1210, 1760, 1936, 2111, 2420, 3520, 3872, 4222, 4840, 7744, 8444, 9680, 10555, 16888, 19360, 21110, 23221, 33776, 38720, 42220, 46442, 67552, 84440, 92884, 116105, 135104, 168880, 185768, 232210, 255431, 337760, 371536, 464420, 510862, 675520, 743072, 928840, 1021724, 1277155, 1486144, 1857680, 2043448, 2554310, 3715360, 4086896, 5108620, 7430720, 8173792, 10217240, 16347584, 20434480, 40868960, 81737920]

約数ペア:

[(1, 81737920), (2, 40868960), (4, 20434480), (5, 16347584), (8, 10217240), (10, 8173792), (11, 7430720), (16, 5108620), (20, 4086896), (22, 3715360), (32, 2554310), (40, 2043448), (44, 1857680), (55, 1486144), (64, 1277155), (80, 1021724), (88, 928840), (110, 743072), (121, 675520), (160, 510862), (176, 464420), (220, 371536), (242, 337760), (320, 255431), (352, 232210), (440, 185768), (484, 168880), (605, 135104), (704, 116105), (880, 92884), (968, 84440), (1210, 67552), (1760, 46442), (1936, 42220), (2111, 38720), (2420, 33776), (3520, 23221), (3872, 21110), (4222, 19360), (4840, 16888), (7744, 10555), (8444, 9680)]