16505520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{709}}^1$

素因数の和:822

約数の個数: 80

約数和(自身を含む): 51767520

約数和(自身を除く): 35262000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 97, 120, 194, 240, 291, 388, 485, 582, 709, 776, 970, 1164, 1418, 1455, 1552, 1940, 2127, 2328, 2836, 2910, 3545, 3880, 4254, 4656, 5672, 5820, 7090, 7760, 8508, 10635, 11344, 11640, 14180, 17016, 21270, 23280, 28360, 34032, 42540, 56720, 68773, 85080, 137546, 170160, 206319, 275092, 343865, 412638, 550184, 687730, 825276, 1031595, 1100368, 1375460, 1650552, 2063190, 2750920, 3301104, 4126380, 5501840, 8252760, 16505520]

約数ペア:

[(1, 16505520), (2, 8252760), (3, 5501840), (4, 4126380), (5, 3301104), (6, 2750920), (8, 2063190), (10, 1650552), (12, 1375460), (15, 1100368), (16, 1031595), (20, 825276), (24, 687730), (30, 550184), (40, 412638), (48, 343865), (60, 275092), (80, 206319), (97, 170160), (120, 137546), (194, 85080), (240, 68773), (291, 56720), (388, 42540), (485, 34032), (582, 28360), (709, 23280), (776, 21270), (970, 17016), (1164, 14180), (1418, 11640), (1455, 11344), (1552, 10635), (1940, 8508), (2127, 7760), (2328, 7090), (2836, 5820), (2910, 5672), (3545, 4656), (3880, 4254)]