220515960

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{262519}}^1$

素因数の和:262540

約数の個数: 64

約数和(自身を含む): 756057600

約数和(自身を除く): 535541640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 262519, 525038, 787557, 1050076, 1312595, 1575114, 1837633, 2100152, 2625190, 3150228, 3675266, 3937785, 5250380, 5512899, 6300456, 7350532, 7875570, 9188165, 10500760, 11025798, 14701064, 15751140, 18376330, 22051596, 27564495, 31502280, 36752660, 44103192, 55128990, 73505320, 110257980, 220515960]

約数ペア:

[(1, 220515960), (2, 110257980), (3, 73505320), (4, 55128990), (5, 44103192), (6, 36752660), (7, 31502280), (8, 27564495), (10, 22051596), (12, 18376330), (14, 15751140), (15, 14701064), (20, 11025798), (21, 10500760), (24, 9188165), (28, 7875570), (30, 7350532), (35, 6300456), (40, 5512899), (42, 5250380), (56, 3937785), (60, 3675266), (70, 3150228), (84, 2625190), (105, 2100152), (120, 1837633), (140, 1575114), (168, 1312595), (210, 1050076), (280, 787557), (420, 525038), (840, 262519)]