79003120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1987}}^1$

素因数の和:2078

約数の個数: 80

約数和(自身を含む): 212986368

約数和(自身を除く): 133983248

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, 497, 560, 568, 710, 994, 1136, 1420, 1987, 1988, 2485, 2840, 3974, 3976, 4970, 5680, 7948, 7952, 9935, 9940, 13909, 15896, 19870, 19880, 27818, 31792, 39740, 39760, 55636, 69545, 79480, 111272, 139090, 141077, 158960, 222544, 278180, 282154, 556360, 564308, 705385, 987539, 1112720, 1128616, 1410770, 1975078, 2257232, 2821540, 3950156, 4937695, 5643080, 7900312, 9875390, 11286160, 15800624, 19750780, 39501560, 79003120]

約数ペア:

[(1, 79003120), (2, 39501560), (4, 19750780), (5, 15800624), (7, 11286160), (8, 9875390), (10, 7900312), (14, 5643080), (16, 4937695), (20, 3950156), (28, 2821540), (35, 2257232), (40, 1975078), (56, 1410770), (70, 1128616), (71, 1112720), (80, 987539), (112, 705385), (140, 564308), (142, 556360), (280, 282154), (284, 278180), (355, 222544), (497, 158960), (560, 141077), (568, 139090), (710, 111272), (994, 79480), (1136, 69545), (1420, 55636), (1987, 39760), (1988, 39740), (2485, 31792), (2840, 27818), (3974, 19880), (3976, 19870), (4970, 15896), (5680, 13909), (7948, 9940), (7952, 9935)]