80706960

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{569}}^1$

素因数の和:785

約数の個数: 120

約数和(自身を含む): 272895480

約数和(自身を除く): 192188520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 197, 240, 360, 394, 569, 591, 720, 788, 985, 1138, 1182, 1576, 1707, 1773, 1970, 2276, 2364, 2845, 2955, 3152, 3414, 3546, 3940, 4552, 4728, 5121, 5690, 5910, 6828, 7092, 7880, 8535, 8865, 9104, 9456, 10242, 11380, 11820, 13656, 14184, 15760, 17070, 17730, 20484, 22760, 23640, 25605, 27312, 28368, 34140, 35460, 40968, 45520, 47280, 51210, 68280, 70920, 81936, 102420, 112093, 136560, 141840, 204840, 224186, 336279, 409680, 448372, 560465, 672558, 896744, 1008837, 1120930, 1345116, 1681395, 1793488, 2017674, 2241860, 2690232, 3362790, 4035348, 4483720, 5044185, 5380464, 6725580, 8070696, 8967440, 10088370, 13451160, 16141392, 20176740, 26902320, 40353480, 80706960]

約数ペア:

[(1, 80706960), (2, 40353480), (3, 26902320), (4, 20176740), (5, 16141392), (6, 13451160), (8, 10088370), (9, 8967440), (10, 8070696), (12, 6725580), (15, 5380464), (16, 5044185), (18, 4483720), (20, 4035348), (24, 3362790), (30, 2690232), (36, 2241860), (40, 2017674), (45, 1793488), (48, 1681395), (60, 1345116), (72, 1120930), (80, 1008837), (90, 896744), (120, 672558), (144, 560465), (180, 448372), (197, 409680), (240, 336279), (360, 224186), (394, 204840), (569, 141840), (591, 136560), (720, 112093), (788, 102420), (985, 81936), (1138, 70920), (1182, 68280), (1576, 51210), (1707, 47280), (1773, 45520), (1970, 40968), (2276, 35460), (2364, 34140), (2845, 28368), (2955, 27312), (3152, 25605), (3414, 23640), (3546, 22760), (3940, 20484), (4552, 17730), (4728, 17070), (5121, 15760), (5690, 14184), (5910, 13656), (6828, 11820), (7092, 11380), (7880, 10242), (8535, 9456), (8865, 9104)]