15540784

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{109}}^1$

素因数の和:210

約数の個数: 80

約数和(自身を含む): 37100800

約数和(自身を除く): 21560016

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 67, 76, 109, 112, 133, 134, 152, 218, 266, 268, 304, 436, 469, 532, 536, 763, 872, 938, 1064, 1072, 1273, 1526, 1744, 1876, 2071, 2128, 2546, 3052, 3752, 4142, 5092, 6104, 7303, 7504, 8284, 8911, 10184, 12208, 14497, 14606, 16568, 17822, 20368, 28994, 29212, 33136, 35644, 51121, 57988, 58424, 71288, 102242, 115976, 116848, 138757, 142576, 204484, 231952, 277514, 408968, 555028, 817936, 971299, 1110056, 1942598, 2220112, 3885196, 7770392, 15540784]

約数ペア:

[(1, 15540784), (2, 7770392), (4, 3885196), (7, 2220112), (8, 1942598), (14, 1110056), (16, 971299), (19, 817936), (28, 555028), (38, 408968), (56, 277514), (67, 231952), (76, 204484), (109, 142576), (112, 138757), (133, 116848), (134, 115976), (152, 102242), (218, 71288), (266, 58424), (268, 57988), (304, 51121), (436, 35644), (469, 33136), (532, 29212), (536, 28994), (763, 20368), (872, 17822), (938, 16568), (1064, 14606), (1072, 14497), (1273, 12208), (1526, 10184), (1744, 8911), (1876, 8284), (2071, 7504), (2128, 7303), (2546, 6104), (3052, 5092), (3752, 4142)]