78021328

素因数分解:

$2^4\times 7^2\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{109}}^1$

素因数の和:225

約数の個数: 120

約数和(自身を含む): 195924960

約数和(自身を除く): 117903632

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 49, 56, 77, 83, 88, 98, 109, 112, 154, 166, 176, 196, 218, 308, 332, 392, 436, 539, 581, 616, 664, 763, 784, 872, 913, 1078, 1162, 1199, 1232, 1328, 1526, 1744, 1826, 2156, 2324, 2398, 3052, 3652, 4067, 4312, 4648, 4796, 5341, 6104, 6391, 7304, 8134, 8393, 8624, 9047, 9296, 9592, 10682, 12208, 12782, 14608, 16268, 16786, 18094, 19184, 21364, 25564, 32536, 33572, 36188, 42728, 44737, 51128, 58751, 63329, 65072, 67144, 72376, 85456, 89474, 99517, 102256, 117502, 126658, 134288, 144752, 178948, 199034, 235004, 253316, 357896, 398068, 443303, 470008, 506632, 696619, 715792, 796136, 886606, 940016, 1013264, 1393238, 1592272, 1773212, 2786476, 3546424, 4876333, 5572952, 7092848, 9752666, 11145904, 19505332, 39010664, 78021328]

約数ペア:

[(1, 78021328), (2, 39010664), (4, 19505332), (7, 11145904), (8, 9752666), (11, 7092848), (14, 5572952), (16, 4876333), (22, 3546424), (28, 2786476), (44, 1773212), (49, 1592272), (56, 1393238), (77, 1013264), (83, 940016), (88, 886606), (98, 796136), (109, 715792), (112, 696619), (154, 506632), (166, 470008), (176, 443303), (196, 398068), (218, 357896), (308, 253316), (332, 235004), (392, 199034), (436, 178948), (539, 144752), (581, 134288), (616, 126658), (664, 117502), (763, 102256), (784, 99517), (872, 89474), (913, 85456), (1078, 72376), (1162, 67144), (1199, 65072), (1232, 63329), (1328, 58751), (1526, 51128), (1744, 44737), (1826, 42728), (2156, 36188), (2324, 33572), (2398, 32536), (3052, 25564), (3652, 21364), (4067, 19184), (4312, 18094), (4648, 16786), (4796, 16268), (5341, 14608), (6104, 12782), (6391, 12208), (7304, 10682), (8134, 9592), (8393, 9296), (8624, 9047)]