156987552880

素因数分解:

$2^4\times 5^1\times {\mathrm{661}}^1\times {\mathrm{719}}^1\times {\mathrm{4129}}^1$

素因数の和:5522

約数の個数: 80

約数和(自身を含む): 366145315200

約数和(自身を除く): 209157762320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 661, 719, 1322, 1438, 2644, 2876, 3305, 3595, 4129, 5288, 5752, 6610, 7190, 8258, 10576, 11504, 13220, 14380, 16516, 20645, 26440, 28760, 33032, 41290, 52880, 57520, 66064, 82580, 165160, 330320, 475259, 950518, 1901036, 2376295, 2729269, 2968751, 3802072, 4752590, 5458538, 5937502, 7604144, 9505180, 10917076, 11875004, 13646345, 14843755, 19010360, 21834152, 23750008, 27292690, 29687510, 38020720, 43668304, 47500016, 54585380, 59375020, 109170760, 118750040, 218341520, 237500080, 1962344411, 3924688822, 7849377644, 9811722055, 15698755288, 19623444110, 31397510576, 39246888220, 78493776440, 156987552880]

約数ペア:

[(1, 156987552880), (2, 78493776440), (4, 39246888220), (5, 31397510576), (8, 19623444110), (10, 15698755288), (16, 9811722055), (20, 7849377644), (40, 3924688822), (80, 1962344411), (661, 237500080), (719, 218341520), (1322, 118750040), (1438, 109170760), (2644, 59375020), (2876, 54585380), (3305, 47500016), (3595, 43668304), (4129, 38020720), (5288, 29687510), (5752, 27292690), (6610, 23750008), (7190, 21834152), (8258, 19010360), (10576, 14843755), (11504, 13646345), (13220, 11875004), (14380, 10917076), (16516, 9505180), (20645, 7604144), (26440, 5937502), (28760, 5458538), (33032, 4752590), (41290, 3802072), (52880, 2968751), (57520, 2729269), (66064, 2376295), (82580, 1901036), (165160, 950518), (330320, 475259)]