811632780

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{644153}}^1$

素因数の和:644175

約数の個数: 72

約数和(自身を含む): 2813664672

約数和(自身を除く): 2002031892

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, 644153, 1288306, 1932459, 2576612, 3220765, 3864918, 4509071, 5797377, 6441530, 7729836, 9018142, 9662295, 11594754, 12883060, 13527213, 18036284, 19324590, 22545355, 23189508, 27054426, 28986885, 38649180, 40581639, 45090710, 54108852, 57973770, 67636065, 81163278, 90181420, 115947540, 135272130, 162326556, 202908195, 270544260, 405816390, 811632780]

約数ペア:

[(1, 811632780), (2, 405816390), (3, 270544260), (4, 202908195), (5, 162326556), (6, 135272130), (7, 115947540), (9, 90181420), (10, 81163278), (12, 67636065), (14, 57973770), (15, 54108852), (18, 45090710), (20, 40581639), (21, 38649180), (28, 28986885), (30, 27054426), (35, 23189508), (36, 22545355), (42, 19324590), (45, 18036284), (60, 13527213), (63, 12883060), (70, 11594754), (84, 9662295), (90, 9018142), (105, 7729836), (126, 6441530), (140, 5797377), (180, 4509071), (210, 3864918), (252, 3220765), (315, 2576612), (420, 1932459), (630, 1288306), (1260, 644153)]