168685020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{133877}}^1$

素因数の和:133899

約数の個数: 72

約数和(自身を含む): 584779104

約数和(自身を除く): 416094084

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 133877, 267754, 401631, 535508, 669385, 803262, 937139, 1204893, 1338770, 1606524, 1874278, 2008155, 2409786, 2677540, 2811417, 3748556, 4016310, 4685695, 4819572, 5622834, 6024465, 8032620, 8434251, 9371390, 11245668, 12048930, 14057085, 16868502, 18742780, 24097860, 28114170, 33737004, 42171255, 56228340, 84342510, 168685020]

約数ペア:

[(1, 168685020), (2, 84342510), (3, 56228340), (4, 42171255), (5, 33737004), (6, 28114170), (7, 24097860), (9, 18742780), (10, 16868502), (12, 14057085), (14, 12048930), (15, 11245668), (18, 9371390), (20, 8434251), (21, 8032620), (28, 6024465), (30, 5622834), (35, 4819572), (36, 4685695), (42, 4016310), (45, 3748556), (60, 2811417), (63, 2677540), (70, 2409786), (84, 2008155), (90, 1874278), (105, 1606524), (126, 1338770), (140, 1204893), (180, 937139), (210, 803262), (252, 669385), (315, 535508), (420, 401631), (630, 267754), (1260, 133877)]