20081280

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{10459}}^1$

素因数の和:10481

約数の個数: 64

約数和(自身を含む): 64015200

約数和(自身を除く): 43933920

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, 10459, 20918, 31377, 41836, 52295, 62754, 83672, 104590, 125508, 156885, 167344, 209180, 251016, 313770, 334688, 418360, 502032, 627540, 669376, 836720, 1004064, 1255080, 1338752, 1673440, 2008128, 2510160, 3346880, 4016256, 5020320, 6693760, 10040640, 20081280]

約数ペア:

[(1, 20081280), (2, 10040640), (3, 6693760), (4, 5020320), (5, 4016256), (6, 3346880), (8, 2510160), (10, 2008128), (12, 1673440), (15, 1338752), (16, 1255080), (20, 1004064), (24, 836720), (30, 669376), (32, 627540), (40, 502032), (48, 418360), (60, 334688), (64, 313770), (80, 251016), (96, 209180), (120, 167344), (128, 156885), (160, 125508), (192, 104590), (240, 83672), (320, 62754), (384, 52295), (480, 41836), (640, 31377), (960, 20918), (1920, 10459)]