1321980

素因数分解:

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

素因数の和:2026

約数の個数: 48

約数和(自身を含む): 4040064

約数和(自身を除く): 2718084

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, 2003, 4006, 6009, 8012, 10015, 12018, 20030, 22033, 24036, 30045, 40060, 44066, 60090, 66099, 88132, 110165, 120180, 132198, 220330, 264396, 330495, 440660, 660990, 1321980]

約数ペア:

[(1, 1321980), (2, 660990), (3, 440660), (4, 330495), (5, 264396), (6, 220330), (10, 132198), (11, 120180), (12, 110165), (15, 88132), (20, 66099), (22, 60090), (30, 44066), (33, 40060), (44, 30045), (55, 24036), (60, 22033), (66, 20030), (110, 12018), (132, 10015), (165, 8012), (220, 6009), (330, 4006), (660, 2003)]