17779120

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{107}}^1$

素因数の和:218

約数の個数: 80

約数和(自身を含む): 43711488

約数和(自身を除く): 25932368

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 67, 80, 107, 124, 134, 155, 214, 248, 268, 310, 335, 428, 496, 535, 536, 620, 670, 856, 1070, 1072, 1240, 1340, 1712, 2077, 2140, 2480, 2680, 3317, 4154, 4280, 5360, 6634, 7169, 8308, 8560, 10385, 13268, 14338, 16585, 16616, 20770, 26536, 28676, 33170, 33232, 35845, 41540, 53072, 57352, 66340, 71690, 83080, 114704, 132680, 143380, 166160, 222239, 265360, 286760, 444478, 573520, 888956, 1111195, 1777912, 2222390, 3555824, 4444780, 8889560, 17779120]

約数ペア:

[(1, 17779120), (2, 8889560), (4, 4444780), (5, 3555824), (8, 2222390), (10, 1777912), (16, 1111195), (20, 888956), (31, 573520), (40, 444478), (62, 286760), (67, 265360), (80, 222239), (107, 166160), (124, 143380), (134, 132680), (155, 114704), (214, 83080), (248, 71690), (268, 66340), (310, 57352), (335, 53072), (428, 41540), (496, 35845), (535, 33232), (536, 33170), (620, 28676), (670, 26536), (856, 20770), (1070, 16616), (1072, 16585), (1240, 14338), (1340, 13268), (1712, 10385), (2077, 8560), (2140, 8308), (2480, 7169), (2680, 6634), (3317, 5360), (4154, 4280)]