280147644

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{883}}^1\times {\mathrm{1259}}^1$

素因数の和:2159

約数の個数: 72

約数和(自身を含む): 810875520

約数和(自身を除く): 530727876

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 883, 1259, 1766, 2518, 2649, 3532, 3777, 5036, 5298, 6181, 7554, 7947, 8813, 10596, 11331, 12362, 15108, 15894, 17626, 18543, 22662, 24724, 26439, 31788, 35252, 37086, 45324, 52878, 55629, 74172, 79317, 105756, 111258, 158634, 222516, 317268, 1111697, 2223394, 3335091, 4446788, 6670182, 7781879, 10005273, 13340364, 15563758, 20010546, 23345637, 31127516, 40021092, 46691274, 70036911, 93382548, 140073822, 280147644]

約数ペア:

[(1, 280147644), (2, 140073822), (3, 93382548), (4, 70036911), (6, 46691274), (7, 40021092), (9, 31127516), (12, 23345637), (14, 20010546), (18, 15563758), (21, 13340364), (28, 10005273), (36, 7781879), (42, 6670182), (63, 4446788), (84, 3335091), (126, 2223394), (252, 1111697), (883, 317268), (1259, 222516), (1766, 158634), (2518, 111258), (2649, 105756), (3532, 79317), (3777, 74172), (5036, 55629), (5298, 52878), (6181, 45324), (7554, 37086), (7947, 35252), (8813, 31788), (10596, 26439), (11331, 24724), (12362, 22662), (15108, 18543), (15894, 17626)]