79281440

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{997}}^1$

素因数の和:1090

約数の個数: 96

約数和(自身を含む): 217292544

約数和(自身を除く): 138011104

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 71, 80, 112, 140, 142, 160, 224, 280, 284, 355, 497, 560, 568, 710, 994, 997, 1120, 1136, 1420, 1988, 1994, 2272, 2485, 2840, 3976, 3988, 4970, 4985, 5680, 6979, 7952, 7976, 9940, 9970, 11360, 13958, 15904, 15952, 19880, 19940, 27916, 31904, 34895, 39760, 39880, 55832, 69790, 70787, 79520, 79760, 111664, 139580, 141574, 159520, 223328, 279160, 283148, 353935, 495509, 558320, 566296, 707870, 991018, 1116640, 1132592, 1415740, 1982036, 2265184, 2477545, 2831480, 3964072, 4955090, 5662960, 7928144, 9910180, 11325920, 15856288, 19820360, 39640720, 79281440]

約数ペア:

[(1, 79281440), (2, 39640720), (4, 19820360), (5, 15856288), (7, 11325920), (8, 9910180), (10, 7928144), (14, 5662960), (16, 4955090), (20, 3964072), (28, 2831480), (32, 2477545), (35, 2265184), (40, 1982036), (56, 1415740), (70, 1132592), (71, 1116640), (80, 991018), (112, 707870), (140, 566296), (142, 558320), (160, 495509), (224, 353935), (280, 283148), (284, 279160), (355, 223328), (497, 159520), (560, 141574), (568, 139580), (710, 111664), (994, 79760), (997, 79520), (1120, 70787), (1136, 69790), (1420, 55832), (1988, 39880), (1994, 39760), (2272, 34895), (2485, 31904), (2840, 27916), (3976, 19940), (3988, 19880), (4970, 15952), (4985, 15904), (5680, 13958), (6979, 11360), (7952, 9970), (7976, 9940)]