210905520

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{125539}}^1$

素因数の和:125562

約数の個数: 80

約数和(自身を含む): 747214080

約数和(自身を除く): 536308560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 125539, 251078, 376617, 502156, 627695, 753234, 878773, 1004312, 1255390, 1506468, 1757546, 1883085, 2008624, 2510780, 2636319, 3012936, 3515092, 3766170, 4393865, 5021560, 5272638, 6025872, 7030184, 7532340, 8787730, 10043120, 10545276, 13181595, 14060368, 15064680, 17575460, 21090552, 26363190, 30129360, 35150920, 42181104, 52726380, 70301840, 105452760, 210905520]

約数ペア:

[(1, 210905520), (2, 105452760), (3, 70301840), (4, 52726380), (5, 42181104), (6, 35150920), (7, 30129360), (8, 26363190), (10, 21090552), (12, 17575460), (14, 15064680), (15, 14060368), (16, 13181595), (20, 10545276), (21, 10043120), (24, 8787730), (28, 7532340), (30, 7030184), (35, 6025872), (40, 5272638), (42, 5021560), (48, 4393865), (56, 3766170), (60, 3515092), (70, 3012936), (80, 2636319), (84, 2510780), (105, 2008624), (112, 1883085), (120, 1757546), (140, 1506468), (168, 1255390), (210, 1004312), (240, 878773), (280, 753234), (336, 627695), (420, 502156), (560, 376617), (840, 251078), (1680, 125539)]