87748640

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{78347}}^1$

素因数の和:78369

約数の個数: 48

約数和(自身を含む): 236924352

約数和(自身を除く): 149175712

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 78347, 156694, 313388, 391735, 548429, 626776, 783470, 1096858, 1253552, 1566940, 2193716, 2507104, 2742145, 3133880, 4387432, 5484290, 6267760, 8774864, 10968580, 12535520, 17549728, 21937160, 43874320, 87748640]

約数ペア:

[(1, 87748640), (2, 43874320), (4, 21937160), (5, 17549728), (7, 12535520), (8, 10968580), (10, 8774864), (14, 6267760), (16, 5484290), (20, 4387432), (28, 3133880), (32, 2742145), (35, 2507104), (40, 2193716), (56, 1566940), (70, 1253552), (80, 1096858), (112, 783470), (140, 626776), (160, 548429), (224, 391735), (280, 313388), (560, 156694), (1120, 78347)]