3020240

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1987}}^1$

素因数の和:2019

約数の個数: 40

約数和(自身を含む): 7395360

約数和(自身を除く): 4375120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 1987, 3974, 7948, 9935, 15896, 19870, 31792, 37753, 39740, 75506, 79480, 151012, 158960, 188765, 302024, 377530, 604048, 755060, 1510120, 3020240]

約数ペア:

[(1, 3020240), (2, 1510120), (4, 755060), (5, 604048), (8, 377530), (10, 302024), (16, 188765), (19, 158960), (20, 151012), (38, 79480), (40, 75506), (76, 39740), (80, 37753), (95, 31792), (152, 19870), (190, 15896), (304, 9935), (380, 7948), (760, 3974), (1520, 1987)]