1691840

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{311}}^1$

素因数の和:345

約数の個数: 56

約数和(自身を含む): 4279392

約数和(自身を除く): 2587552

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 136, 160, 170, 272, 311, 320, 340, 544, 622, 680, 1088, 1244, 1360, 1555, 2488, 2720, 3110, 4976, 5287, 5440, 6220, 9952, 10574, 12440, 19904, 21148, 24880, 26435, 42296, 49760, 52870, 84592, 99520, 105740, 169184, 211480, 338368, 422960, 845920, 1691840]

約数ペア:

[(1, 1691840), (2, 845920), (4, 422960), (5, 338368), (8, 211480), (10, 169184), (16, 105740), (17, 99520), (20, 84592), (32, 52870), (34, 49760), (40, 42296), (64, 26435), (68, 24880), (80, 21148), (85, 19904), (136, 12440), (160, 10574), (170, 9952), (272, 6220), (311, 5440), (320, 5287), (340, 4976), (544, 3110), (622, 2720), (680, 2488), (1088, 1555), (1244, 1360)]