87975440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{1237}}^1$

素因数の和:1384

約数の個数: 80

約数和(自身を含む): 235794432

約数和(自身を除く): 147818992

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 127, 140, 254, 280, 508, 560, 635, 889, 1016, 1237, 1270, 1778, 2032, 2474, 2540, 3556, 4445, 4948, 5080, 6185, 7112, 8659, 8890, 9896, 10160, 12370, 14224, 17318, 17780, 19792, 24740, 34636, 35560, 43295, 49480, 69272, 71120, 86590, 98960, 138544, 157099, 173180, 314198, 346360, 628396, 692720, 785495, 1099693, 1256792, 1570990, 2199386, 2513584, 3141980, 4398772, 5498465, 6283960, 8797544, 10996930, 12567920, 17595088, 21993860, 43987720, 87975440]

約数ペア:

[(1, 87975440), (2, 43987720), (4, 21993860), (5, 17595088), (7, 12567920), (8, 10996930), (10, 8797544), (14, 6283960), (16, 5498465), (20, 4398772), (28, 3141980), (35, 2513584), (40, 2199386), (56, 1570990), (70, 1256792), (80, 1099693), (112, 785495), (127, 692720), (140, 628396), (254, 346360), (280, 314198), (508, 173180), (560, 157099), (635, 138544), (889, 98960), (1016, 86590), (1237, 71120), (1270, 69272), (1778, 49480), (2032, 43295), (2474, 35560), (2540, 34636), (3556, 24740), (4445, 19792), (4948, 17780), (5080, 17318), (6185, 14224), (7112, 12370), (8659, 10160), (8890, 9896)]