248821320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{251}}^1\times {\mathrm{751}}^1$

素因数の和:1027

約数の個数: 128

約数和(自身を含む): 818657280

約数和(自身を除く): 569835960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 251, 264, 330, 440, 502, 660, 751, 753, 1004, 1255, 1320, 1502, 1506, 2008, 2253, 2510, 2761, 3004, 3012, 3755, 3765, 4506, 5020, 5522, 6008, 6024, 7510, 7530, 8261, 8283, 9012, 10040, 11044, 11265, 13805, 15020, 15060, 16522, 16566, 18024, 22088, 22530, 24783, 27610, 30040, 30120, 33044, 33132, 41305, 41415, 45060, 49566, 55220, 66088, 66264, 82610, 82830, 90120, 99132, 110440, 123915, 165220, 165660, 188501, 198264, 247830, 330440, 331320, 377002, 495660, 565503, 754004, 942505, 991320, 1131006, 1508008, 1885010, 2073511, 2262012, 2827515, 3770020, 4147022, 4524024, 5655030, 6220533, 7540040, 8294044, 10367555, 11310060, 12441066, 16588088, 20735110, 22620120, 24882132, 31102665, 41470220, 49764264, 62205330, 82940440, 124410660, 248821320]

約数ペア:

[(1, 248821320), (2, 124410660), (3, 82940440), (4, 62205330), (5, 49764264), (6, 41470220), (8, 31102665), (10, 24882132), (11, 22620120), (12, 20735110), (15, 16588088), (20, 12441066), (22, 11310060), (24, 10367555), (30, 8294044), (33, 7540040), (40, 6220533), (44, 5655030), (55, 4524024), (60, 4147022), (66, 3770020), (88, 2827515), (110, 2262012), (120, 2073511), (132, 1885010), (165, 1508008), (220, 1131006), (251, 991320), (264, 942505), (330, 754004), (440, 565503), (502, 495660), (660, 377002), (751, 331320), (753, 330440), (1004, 247830), (1255, 198264), (1320, 188501), (1502, 165660), (1506, 165220), (2008, 123915), (2253, 110440), (2510, 99132), (2761, 90120), (3004, 82830), (3012, 82610), (3755, 66264), (3765, 66088), (4506, 55220), (5020, 49566), (5522, 45060), (6008, 41415), (6024, 41305), (7510, 33132), (7530, 33044), (8261, 30120), (8283, 30040), (9012, 27610), (10040, 24783), (11044, 22530), (11265, 22088), (13805, 18024), (15020, 16566), (15060, 16522)]