138637520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{6691}}^1$

素因数の和:6748

約数の個数: 80

約数和(自身を含む): 378392448

約数和(自身を除く): 239754928

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 37, 40, 56, 70, 74, 80, 112, 140, 148, 185, 259, 280, 296, 370, 518, 560, 592, 740, 1036, 1295, 1480, 2072, 2590, 2960, 4144, 5180, 6691, 10360, 13382, 20720, 26764, 33455, 46837, 53528, 66910, 93674, 107056, 133820, 187348, 234185, 247567, 267640, 374696, 468370, 495134, 535280, 749392, 936740, 990268, 1237835, 1732969, 1873480, 1980536, 2475670, 3465938, 3746960, 3961072, 4951340, 6931876, 8664845, 9902680, 13863752, 17329690, 19805360, 27727504, 34659380, 69318760, 138637520]

約数ペア:

[(1, 138637520), (2, 69318760), (4, 34659380), (5, 27727504), (7, 19805360), (8, 17329690), (10, 13863752), (14, 9902680), (16, 8664845), (20, 6931876), (28, 4951340), (35, 3961072), (37, 3746960), (40, 3465938), (56, 2475670), (70, 1980536), (74, 1873480), (80, 1732969), (112, 1237835), (140, 990268), (148, 936740), (185, 749392), (259, 535280), (280, 495134), (296, 468370), (370, 374696), (518, 267640), (560, 247567), (592, 234185), (740, 187348), (1036, 133820), (1295, 107056), (1480, 93674), (2072, 66910), (2590, 53528), (2960, 46837), (4144, 33455), (5180, 26764), (6691, 20720), (10360, 13382)]