1390505520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{379}}^1\times {\mathrm{15287}}^1$

素因数の和:15682

約数の個数: 80

約数和(自身を含む): 4322223360

約数和(自身を除く): 2931717840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 379, 758, 1137, 1516, 1895, 2274, 3032, 3790, 4548, 5685, 6064, 7580, 9096, 11370, 15160, 15287, 18192, 22740, 30320, 30574, 45480, 45861, 61148, 76435, 90960, 91722, 122296, 152870, 183444, 229305, 244592, 305740, 366888, 458610, 611480, 733776, 917220, 1222960, 1834440, 3668880, 5793773, 11587546, 17381319, 23175092, 28968865, 34762638, 46350184, 57937730, 69525276, 86906595, 92700368, 115875460, 139050552, 173813190, 231750920, 278101104, 347626380, 463501840, 695252760, 1390505520]

約数ペア:

[(1, 1390505520), (2, 695252760), (3, 463501840), (4, 347626380), (5, 278101104), (6, 231750920), (8, 173813190), (10, 139050552), (12, 115875460), (15, 92700368), (16, 86906595), (20, 69525276), (24, 57937730), (30, 46350184), (40, 34762638), (48, 28968865), (60, 23175092), (80, 17381319), (120, 11587546), (240, 5793773), (379, 3668880), (758, 1834440), (1137, 1222960), (1516, 917220), (1895, 733776), (2274, 611480), (3032, 458610), (3790, 366888), (4548, 305740), (5685, 244592), (6064, 229305), (7580, 183444), (9096, 152870), (11370, 122296), (15160, 91722), (15287, 90960), (18192, 76435), (22740, 61148), (30320, 45861), (30574, 45480)]