4020420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{1811}}^1$

素因数の和:1860

約数の個数: 48

約数和(自身を含む): 11567808

約数和(自身を除く): 7547388

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 37, 60, 74, 111, 148, 185, 222, 370, 444, 555, 740, 1110, 1811, 2220, 3622, 5433, 7244, 9055, 10866, 18110, 21732, 27165, 36220, 54330, 67007, 108660, 134014, 201021, 268028, 335035, 402042, 670070, 804084, 1005105, 1340140, 2010210, 4020420]

約数ペア:

[(1, 4020420), (2, 2010210), (3, 1340140), (4, 1005105), (5, 804084), (6, 670070), (10, 402042), (12, 335035), (15, 268028), (20, 201021), (30, 134014), (37, 108660), (60, 67007), (74, 54330), (111, 36220), (148, 27165), (185, 21732), (222, 18110), (370, 10866), (444, 9055), (555, 7244), (740, 5433), (1110, 3622), (1811, 2220)]