21655680

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{11279}}^1$

素因数の和:11301

約数の個数: 64

約数和(自身を含む): 69033600

約数和(自身を除く): 47377920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 320, 384, 480, 640, 960, 1920, 11279, 22558, 33837, 45116, 56395, 67674, 90232, 112790, 135348, 169185, 180464, 225580, 270696, 338370, 360928, 451160, 541392, 676740, 721856, 902320, 1082784, 1353480, 1443712, 1804640, 2165568, 2706960, 3609280, 4331136, 5413920, 7218560, 10827840, 21655680]

約数ペア:

[(1, 21655680), (2, 10827840), (3, 7218560), (4, 5413920), (5, 4331136), (6, 3609280), (8, 2706960), (10, 2165568), (12, 1804640), (15, 1443712), (16, 1353480), (20, 1082784), (24, 902320), (30, 721856), (32, 676740), (40, 541392), (48, 451160), (60, 360928), (64, 338370), (80, 270696), (96, 225580), (120, 180464), (128, 169185), (160, 135348), (192, 112790), (240, 90232), (320, 67674), (384, 56395), (480, 45116), (640, 33837), (960, 22558), (1920, 11279)]