725760005

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1$

素因数の和:294

約数の個数: 64

約数和(自身を含む): 1012435200

約数和(自身を除く): 286675195

約数列:

[1, 5, 17, 19, 53, 61, 85, 95, 139, 265, 305, 323, 695, 901, 1007, 1037, 1159, 1615, 2363, 2641, 3233, 4505, 5035, 5185, 5795, 7367, 8479, 11815, 13205, 16165, 17119, 19703, 36835, 42395, 44897, 54961, 61427, 85595, 98515, 125239, 139973, 144143, 161101, 224485, 274805, 307135, 449387, 626195, 699865, 720715, 805505, 1044259, 2246935, 2379541, 2738717, 5221295, 7639579, 8538353, 11897705, 13693585, 38197895, 42691765, 145152001, 725760005]

約数ペア:

[(1, 725760005), (5, 145152001), (17, 42691765), (19, 38197895), (53, 13693585), (61, 11897705), (85, 8538353), (95, 7639579), (139, 5221295), (265, 2738717), (305, 2379541), (323, 2246935), (695, 1044259), (901, 805505), (1007, 720715), (1037, 699865), (1159, 626195), (1615, 449387), (2363, 307135), (2641, 274805), (3233, 224485), (4505, 161101), (5035, 144143), (5185, 139973), (5795, 125239), (7367, 98515), (8479, 85595), (11815, 61427), (13205, 54961), (16165, 44897), (17119, 42395), (19703, 36835)]