80521680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{335507}}^1$

素因数の和:335523

約数の個数: 40

約数和(自身を含む): 249617952

約数和(自身を除く): 169096272

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 335507, 671014, 1006521, 1342028, 1677535, 2013042, 2684056, 3355070, 4026084, 5032605, 5368112, 6710140, 8052168, 10065210, 13420280, 16104336, 20130420, 26840560, 40260840, 80521680]

約数ペア:

[(1, 80521680), (2, 40260840), (3, 26840560), (4, 20130420), (5, 16104336), (6, 13420280), (8, 10065210), (10, 8052168), (12, 6710140), (15, 5368112), (16, 5032605), (20, 4026084), (24, 3355070), (30, 2684056), (40, 2013042), (48, 1677535), (60, 1342028), (80, 1006521), (120, 671014), (240, 335507)]