2643960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2003}}^1$

素因数の和:2028

約数の個数: 64

約数和(自身を含む): 8657280

約数和(自身を除く): 6013320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 264, 330, 440, 660, 1320, 2003, 4006, 6009, 8012, 10015, 12018, 16024, 20030, 22033, 24036, 30045, 40060, 44066, 48072, 60090, 66099, 80120, 88132, 110165, 120180, 132198, 176264, 220330, 240360, 264396, 330495, 440660, 528792, 660990, 881320, 1321980, 2643960]

約数ペア:

[(1, 2643960), (2, 1321980), (3, 881320), (4, 660990), (5, 528792), (6, 440660), (8, 330495), (10, 264396), (11, 240360), (12, 220330), (15, 176264), (20, 132198), (22, 120180), (24, 110165), (30, 88132), (33, 80120), (40, 66099), (44, 60090), (55, 48072), (60, 44066), (66, 40060), (88, 30045), (110, 24036), (120, 22033), (132, 20030), (165, 16024), (220, 12018), (264, 10015), (330, 8012), (440, 6009), (660, 4006), (1320, 2003)]