905940

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{719}}^1$

素因数の和:741

約数の個数: 72

約数和(自身を含む): 3144960

約数和(自身を除く): 2239020

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, 719, 1260, 1438, 2157, 2876, 3595, 4314, 5033, 6471, 7190, 8628, 10066, 10785, 12942, 14380, 15099, 20132, 21570, 25165, 25884, 30198, 32355, 43140, 45297, 50330, 60396, 64710, 75495, 90594, 100660, 129420, 150990, 181188, 226485, 301980, 452970, 905940]

約数ペア:

[(1, 905940), (2, 452970), (3, 301980), (4, 226485), (5, 181188), (6, 150990), (7, 129420), (9, 100660), (10, 90594), (12, 75495), (14, 64710), (15, 60396), (18, 50330), (20, 45297), (21, 43140), (28, 32355), (30, 30198), (35, 25884), (36, 25165), (42, 21570), (45, 20132), (60, 15099), (63, 14380), (70, 12942), (84, 10785), (90, 10066), (105, 8628), (126, 7190), (140, 6471), (180, 5033), (210, 4314), (252, 3595), (315, 2876), (420, 2157), (630, 1438), (719, 1260)]