130720912

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{1307}}^1$

素因数の和:1388

約数の個数: 80

約数和(自身を含む): 311408640

約数和(自身を除く): 180687728

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 47, 56, 76, 94, 112, 133, 152, 188, 266, 304, 329, 376, 532, 658, 752, 893, 1064, 1307, 1316, 1786, 2128, 2614, 2632, 3572, 5228, 5264, 6251, 7144, 9149, 10456, 12502, 14288, 18298, 20912, 24833, 25004, 36596, 49666, 50008, 61429, 73192, 99332, 100016, 122858, 146384, 173831, 198664, 245716, 347662, 397328, 430003, 491432, 695324, 860006, 982864, 1167151, 1390648, 1720012, 2334302, 2781296, 3440024, 4668604, 6880048, 8170057, 9337208, 16340114, 18674416, 32680228, 65360456, 130720912]

約数ペア:

[(1, 130720912), (2, 65360456), (4, 32680228), (7, 18674416), (8, 16340114), (14, 9337208), (16, 8170057), (19, 6880048), (28, 4668604), (38, 3440024), (47, 2781296), (56, 2334302), (76, 1720012), (94, 1390648), (112, 1167151), (133, 982864), (152, 860006), (188, 695324), (266, 491432), (304, 430003), (329, 397328), (376, 347662), (532, 245716), (658, 198664), (752, 173831), (893, 146384), (1064, 122858), (1307, 100016), (1316, 99332), (1786, 73192), (2128, 61429), (2614, 50008), (2632, 49666), (3572, 36596), (5228, 25004), (5264, 24833), (6251, 20912), (7144, 18298), (9149, 14288), (10456, 12502)]