17972080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{479}}^1$

素因数の和:566

約数の個数: 80

約数和(自身を含む): 48568320

約数和(自身を除く): 30596240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 67, 70, 80, 112, 134, 140, 268, 280, 335, 469, 479, 536, 560, 670, 938, 958, 1072, 1340, 1876, 1916, 2345, 2395, 2680, 3353, 3752, 3832, 4690, 4790, 5360, 6706, 7504, 7664, 9380, 9580, 13412, 16765, 18760, 19160, 26824, 32093, 33530, 37520, 38320, 53648, 64186, 67060, 128372, 134120, 160465, 224651, 256744, 268240, 320930, 449302, 513488, 641860, 898604, 1123255, 1283720, 1797208, 2246510, 2567440, 3594416, 4493020, 8986040, 17972080]

約数ペア:

[(1, 17972080), (2, 8986040), (4, 4493020), (5, 3594416), (7, 2567440), (8, 2246510), (10, 1797208), (14, 1283720), (16, 1123255), (20, 898604), (28, 641860), (35, 513488), (40, 449302), (56, 320930), (67, 268240), (70, 256744), (80, 224651), (112, 160465), (134, 134120), (140, 128372), (268, 67060), (280, 64186), (335, 53648), (469, 38320), (479, 37520), (536, 33530), (560, 32093), (670, 26824), (938, 19160), (958, 18760), (1072, 16765), (1340, 13412), (1876, 9580), (1916, 9380), (2345, 7664), (2395, 7504), (2680, 6706), (3353, 5360), (3752, 4790), (3832, 4690)]