2641980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{4003}}^1$

素因数の和:4026

約数の個数: 48

約数和(自身を含む): 8072064

約数和(自身を除く): 5430084

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 4003, 8006, 12009, 16012, 20015, 24018, 40030, 44033, 48036, 60045, 80060, 88066, 120090, 132099, 176132, 220165, 240180, 264198, 440330, 528396, 660495, 880660, 1320990, 2641980]

約数ペア:

[(1, 2641980), (2, 1320990), (3, 880660), (4, 660495), (5, 528396), (6, 440330), (10, 264198), (11, 240180), (12, 220165), (15, 176132), (20, 132099), (22, 120090), (30, 88066), (33, 80060), (44, 60045), (55, 48036), (60, 44033), (66, 40030), (110, 24018), (132, 20015), (165, 16012), (220, 12009), (330, 8006), (660, 4003)]