80406720

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{27919}}^1$

素因数の和:27942

約数の個数: 84

約数和(自身を含む): 276575520

約数和(自身を除く): 196168800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 144, 160, 180, 192, 240, 288, 320, 360, 480, 576, 720, 960, 1440, 2880, 27919, 55838, 83757, 111676, 139595, 167514, 223352, 251271, 279190, 335028, 418785, 446704, 502542, 558380, 670056, 837570, 893408, 1005084, 1116760, 1256355, 1340112, 1675140, 1786816, 2010168, 2233520, 2512710, 2680224, 3350280, 4020336, 4467040, 5025420, 5360448, 6700560, 8040672, 8934080, 10050840, 13401120, 16081344, 20101680, 26802240, 40203360, 80406720]

約数ペア:

[(1, 80406720), (2, 40203360), (3, 26802240), (4, 20101680), (5, 16081344), (6, 13401120), (8, 10050840), (9, 8934080), (10, 8040672), (12, 6700560), (15, 5360448), (16, 5025420), (18, 4467040), (20, 4020336), (24, 3350280), (30, 2680224), (32, 2512710), (36, 2233520), (40, 2010168), (45, 1786816), (48, 1675140), (60, 1340112), (64, 1256355), (72, 1116760), (80, 1005084), (90, 893408), (96, 837570), (120, 670056), (144, 558380), (160, 502542), (180, 446704), (192, 418785), (240, 335028), (288, 279190), (320, 251271), (360, 223352), (480, 167514), (576, 139595), (720, 111676), (960, 83757), (1440, 55838), (2880, 27919)]