28762440

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{353}}^1$

素因数の和:471

約数の個数: 128

約数和(自身を含む): 99912960

約数和(自身を除く): 71150520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 97, 105, 120, 140, 168, 194, 210, 280, 291, 353, 388, 420, 485, 582, 679, 706, 776, 840, 970, 1059, 1164, 1358, 1412, 1455, 1765, 1940, 2037, 2118, 2328, 2471, 2716, 2824, 2910, 3395, 3530, 3880, 4074, 4236, 4942, 5295, 5432, 5820, 6790, 7060, 7413, 8148, 8472, 9884, 10185, 10590, 11640, 12355, 13580, 14120, 14826, 16296, 19768, 20370, 21180, 24710, 27160, 29652, 34241, 37065, 40740, 42360, 49420, 59304, 68482, 74130, 81480, 98840, 102723, 136964, 148260, 171205, 205446, 239687, 273928, 296520, 342410, 410892, 479374, 513615, 684820, 719061, 821784, 958748, 1027230, 1198435, 1369640, 1438122, 1917496, 2054460, 2396870, 2876244, 3595305, 4108920, 4793740, 5752488, 7190610, 9587480, 14381220, 28762440]

約数ペア:

[(1, 28762440), (2, 14381220), (3, 9587480), (4, 7190610), (5, 5752488), (6, 4793740), (7, 4108920), (8, 3595305), (10, 2876244), (12, 2396870), (14, 2054460), (15, 1917496), (20, 1438122), (21, 1369640), (24, 1198435), (28, 1027230), (30, 958748), (35, 821784), (40, 719061), (42, 684820), (56, 513615), (60, 479374), (70, 410892), (84, 342410), (97, 296520), (105, 273928), (120, 239687), (140, 205446), (168, 171205), (194, 148260), (210, 136964), (280, 102723), (291, 98840), (353, 81480), (388, 74130), (420, 68482), (485, 59304), (582, 49420), (679, 42360), (706, 40740), (776, 37065), (840, 34241), (970, 29652), (1059, 27160), (1164, 24710), (1358, 21180), (1412, 20370), (1455, 19768), (1765, 16296), (1940, 14826), (2037, 14120), (2118, 13580), (2328, 12355), (2471, 11640), (2716, 10590), (2824, 10185), (2910, 9884), (3395, 8472), (3530, 8148), (3880, 7413), (4074, 7060), (4236, 6790), (4942, 5820), (5295, 5432)]