321574960

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{24967}}^1$

素因数の和:25010

約数の個数: 80

約数和(自身を含む): 891657216

約数和(自身を除く): 570082256

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 56, 70, 80, 92, 112, 115, 140, 161, 184, 230, 280, 322, 368, 460, 560, 644, 805, 920, 1288, 1610, 1840, 2576, 3220, 6440, 12880, 24967, 49934, 99868, 124835, 174769, 199736, 249670, 349538, 399472, 499340, 574241, 699076, 873845, 998680, 1148482, 1398152, 1747690, 1997360, 2296964, 2796304, 2871205, 3495380, 4019687, 4593928, 5742410, 6990760, 8039374, 9187856, 11484820, 13981520, 16078748, 20098435, 22969640, 32157496, 40196870, 45939280, 64314992, 80393740, 160787480, 321574960]

約数ペア:

[(1, 321574960), (2, 160787480), (4, 80393740), (5, 64314992), (7, 45939280), (8, 40196870), (10, 32157496), (14, 22969640), (16, 20098435), (20, 16078748), (23, 13981520), (28, 11484820), (35, 9187856), (40, 8039374), (46, 6990760), (56, 5742410), (70, 4593928), (80, 4019687), (92, 3495380), (112, 2871205), (115, 2796304), (140, 2296964), (161, 1997360), (184, 1747690), (230, 1398152), (280, 1148482), (322, 998680), (368, 873845), (460, 699076), (560, 574241), (644, 499340), (805, 399472), (920, 349538), (1288, 249670), (1610, 199736), (1840, 174769), (2576, 124835), (3220, 99868), (6440, 49934), (12880, 24967)]