1663264240

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{379}}^1\times {\mathrm{4987}}^1$

素因数の和:5390

約数の個数: 80

約数和(自身を含む): 4230622080

約数和(自身を除く): 2567357840

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 379, 440, 758, 880, 1516, 1895, 3032, 3790, 4169, 4987, 6064, 7580, 8338, 9974, 15160, 16676, 19948, 20845, 24935, 30320, 33352, 39896, 41690, 49870, 54857, 66704, 79792, 83380, 99740, 109714, 166760, 199480, 219428, 274285, 333520, 398960, 438856, 548570, 877712, 1097140, 1890073, 2194280, 3780146, 4388560, 7560292, 9450365, 15120584, 18900730, 20790803, 30241168, 37801460, 41581606, 75602920, 83163212, 103954015, 151205840, 166326424, 207908030, 332652848, 415816060, 831632120, 1663264240]

約数ペア:

[(1, 1663264240), (2, 831632120), (4, 415816060), (5, 332652848), (8, 207908030), (10, 166326424), (11, 151205840), (16, 103954015), (20, 83163212), (22, 75602920), (40, 41581606), (44, 37801460), (55, 30241168), (80, 20790803), (88, 18900730), (110, 15120584), (176, 9450365), (220, 7560292), (379, 4388560), (440, 3780146), (758, 2194280), (880, 1890073), (1516, 1097140), (1895, 877712), (3032, 548570), (3790, 438856), (4169, 398960), (4987, 333520), (6064, 274285), (7580, 219428), (8338, 199480), (9974, 166760), (15160, 109714), (16676, 99740), (19948, 83380), (20845, 79792), (24935, 66704), (30320, 54857), (33352, 49870), (39896, 41690)]