21601680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{90007}}^1$

素因数の和:90023

約数の個数: 40

約数和(自身を含む): 66965952

約数和(自身を除く): 45364272

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 90007, 180014, 270021, 360028, 450035, 540042, 720056, 900070, 1080084, 1350105, 1440112, 1800140, 2160168, 2700210, 3600280, 4320336, 5400420, 7200560, 10800840, 21601680]

約数ペア:

[(1, 21601680), (2, 10800840), (3, 7200560), (4, 5400420), (5, 4320336), (6, 3600280), (8, 2700210), (10, 2160168), (12, 1800140), (15, 1440112), (16, 1350105), (20, 1080084), (24, 900070), (30, 720056), (40, 540042), (48, 450035), (60, 360028), (80, 270021), (120, 180014), (240, 90007)]