127986960

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{2707}}^1$

素因数の和:2920

約数の個数: 80

約数和(自身を含む): 398920896

約数和(自身を除く): 270933936

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 197, 240, 394, 591, 788, 985, 1182, 1576, 1970, 2364, 2707, 2955, 3152, 3940, 4728, 5414, 5910, 7880, 8121, 9456, 10828, 11820, 13535, 15760, 16242, 21656, 23640, 27070, 32484, 40605, 43312, 47280, 54140, 64968, 81210, 108280, 129936, 162420, 216560, 324840, 533279, 649680, 1066558, 1599837, 2133116, 2666395, 3199674, 4266232, 5332790, 6399348, 7999185, 8532464, 10665580, 12798696, 15998370, 21331160, 25597392, 31996740, 42662320, 63993480, 127986960]

約数ペア:

[(1, 127986960), (2, 63993480), (3, 42662320), (4, 31996740), (5, 25597392), (6, 21331160), (8, 15998370), (10, 12798696), (12, 10665580), (15, 8532464), (16, 7999185), (20, 6399348), (24, 5332790), (30, 4266232), (40, 3199674), (48, 2666395), (60, 2133116), (80, 1599837), (120, 1066558), (197, 649680), (240, 533279), (394, 324840), (591, 216560), (788, 162420), (985, 129936), (1182, 108280), (1576, 81210), (1970, 64968), (2364, 54140), (2707, 47280), (2955, 43312), (3152, 40605), (3940, 32484), (4728, 27070), (5414, 23640), (5910, 21656), (7880, 16242), (8121, 15760), (9456, 13535), (10828, 11820)]