77987480

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{823}}^1$

素因数の和:960

約数の個数: 64

約数和(自身を含む): 185103360

約数和(自身を除く): 107115880

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 103, 115, 184, 206, 230, 412, 460, 515, 823, 824, 920, 1030, 1646, 2060, 2369, 3292, 4115, 4120, 4738, 6584, 8230, 9476, 11845, 16460, 18929, 18952, 23690, 32920, 37858, 47380, 75716, 84769, 94645, 94760, 151432, 169538, 189290, 339076, 378580, 423845, 678152, 757160, 847690, 1695380, 1949687, 3390760, 3899374, 7798748, 9748435, 15597496, 19496870, 38993740, 77987480]

約数ペア:

[(1, 77987480), (2, 38993740), (4, 19496870), (5, 15597496), (8, 9748435), (10, 7798748), (20, 3899374), (23, 3390760), (40, 1949687), (46, 1695380), (92, 847690), (103, 757160), (115, 678152), (184, 423845), (206, 378580), (230, 339076), (412, 189290), (460, 169538), (515, 151432), (823, 94760), (824, 94645), (920, 84769), (1030, 75716), (1646, 47380), (2060, 37858), (2369, 32920), (3292, 23690), (4115, 18952), (4120, 18929), (4738, 16460), (6584, 11845), (8230, 9476)]