15943760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{401}}^1$

素因数の和:492

約数の個数: 80

約数和(自身を含む): 43068672

約数和(自身を除く): 27124912

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 71, 80, 112, 140, 142, 280, 284, 355, 401, 497, 560, 568, 710, 802, 994, 1136, 1420, 1604, 1988, 2005, 2485, 2807, 2840, 3208, 3976, 4010, 4970, 5614, 5680, 6416, 7952, 8020, 9940, 11228, 14035, 16040, 19880, 22456, 28070, 28471, 32080, 39760, 44912, 56140, 56942, 112280, 113884, 142355, 199297, 224560, 227768, 284710, 398594, 455536, 569420, 797188, 996485, 1138840, 1594376, 1992970, 2277680, 3188752, 3985940, 7971880, 15943760]

約数ペア:

[(1, 15943760), (2, 7971880), (4, 3985940), (5, 3188752), (7, 2277680), (8, 1992970), (10, 1594376), (14, 1138840), (16, 996485), (20, 797188), (28, 569420), (35, 455536), (40, 398594), (56, 284710), (70, 227768), (71, 224560), (80, 199297), (112, 142355), (140, 113884), (142, 112280), (280, 56942), (284, 56140), (355, 44912), (401, 39760), (497, 32080), (560, 28471), (568, 28070), (710, 22456), (802, 19880), (994, 16040), (1136, 14035), (1420, 11228), (1604, 9940), (1988, 8020), (2005, 7952), (2485, 6416), (2807, 5680), (2840, 5614), (3208, 4970), (3976, 4010)]