80721200

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{227}}^1$

素因数の和:379

約数の個数: 120

約数和(自身を含む): 224366592

約数和(自身を除く): 143645392

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 70, 80, 100, 112, 127, 140, 175, 200, 227, 254, 280, 350, 400, 454, 508, 560, 635, 700, 889, 908, 1016, 1135, 1270, 1400, 1589, 1778, 1816, 2032, 2270, 2540, 2800, 3175, 3178, 3556, 3632, 4445, 4540, 5080, 5675, 6350, 6356, 7112, 7945, 8890, 9080, 10160, 11350, 12700, 12712, 14224, 15890, 17780, 18160, 22225, 22700, 25400, 25424, 28829, 31780, 35560, 39725, 44450, 45400, 50800, 57658, 63560, 71120, 79450, 88900, 90800, 115316, 127120, 144145, 158900, 177800, 201803, 230632, 288290, 317800, 355600, 403606, 461264, 576580, 635600, 720725, 807212, 1009015, 1153160, 1441450, 1614424, 2018030, 2306320, 2882900, 3228848, 4036060, 5045075, 5765800, 8072120, 10090150, 11531600, 16144240, 20180300, 40360600, 80721200]

約数ペア:

[(1, 80721200), (2, 40360600), (4, 20180300), (5, 16144240), (7, 11531600), (8, 10090150), (10, 8072120), (14, 5765800), (16, 5045075), (20, 4036060), (25, 3228848), (28, 2882900), (35, 2306320), (40, 2018030), (50, 1614424), (56, 1441450), (70, 1153160), (80, 1009015), (100, 807212), (112, 720725), (127, 635600), (140, 576580), (175, 461264), (200, 403606), (227, 355600), (254, 317800), (280, 288290), (350, 230632), (400, 201803), (454, 177800), (508, 158900), (560, 144145), (635, 127120), (700, 115316), (889, 90800), (908, 88900), (1016, 79450), (1135, 71120), (1270, 63560), (1400, 57658), (1589, 50800), (1778, 45400), (1816, 44450), (2032, 39725), (2270, 35560), (2540, 31780), (2800, 28829), (3175, 25424), (3178, 25400), (3556, 22700), (3632, 22225), (4445, 18160), (4540, 17780), (5080, 15890), (5675, 14224), (6350, 12712), (6356, 12700), (7112, 11350), (7945, 10160), (8890, 9080)]