217709520

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{129589}}^1$

素因数の和:129612

約数の個数: 80

約数和(自身を含む): 771319680

約数和(自身を除く): 553610160

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, 129589, 259178, 388767, 518356, 647945, 777534, 907123, 1036712, 1295890, 1555068, 1814246, 1943835, 2073424, 2591780, 2721369, 3110136, 3628492, 3887670, 4535615, 5183560, 5442738, 6220272, 7256984, 7775340, 9071230, 10367120, 10885476, 13606845, 14513968, 15550680, 18142460, 21770952, 27213690, 31101360, 36284920, 43541904, 54427380, 72569840, 108854760, 217709520]

約数ペア:

[(1, 217709520), (2, 108854760), (3, 72569840), (4, 54427380), (5, 43541904), (6, 36284920), (7, 31101360), (8, 27213690), (10, 21770952), (12, 18142460), (14, 15550680), (15, 14513968), (16, 13606845), (20, 10885476), (21, 10367120), (24, 9071230), (28, 7775340), (30, 7256984), (35, 6220272), (40, 5442738), (42, 5183560), (48, 4535615), (56, 3887670), (60, 3628492), (70, 3110136), (80, 2721369), (84, 2591780), (105, 2073424), (112, 1943835), (120, 1814246), (140, 1555068), (168, 1295890), (210, 1036712), (240, 907123), (280, 777534), (336, 647945), (420, 518356), (560, 388767), (840, 259178), (1680, 129589)]