219889320

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{261773}}^1$

素因数の和:261794

約数の個数: 64

約数和(自身を含む): 753909120

約数和(自身を除く): 534019800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 261773, 523546, 785319, 1047092, 1308865, 1570638, 1832411, 2094184, 2617730, 3141276, 3664822, 3926595, 5235460, 5497233, 6282552, 7329644, 7853190, 9162055, 10470920, 10994466, 14659288, 15706380, 18324110, 21988932, 27486165, 31412760, 36648220, 43977864, 54972330, 73296440, 109944660, 219889320]

約数ペア:

[(1, 219889320), (2, 109944660), (3, 73296440), (4, 54972330), (5, 43977864), (6, 36648220), (7, 31412760), (8, 27486165), (10, 21988932), (12, 18324110), (14, 15706380), (15, 14659288), (20, 10994466), (21, 10470920), (24, 9162055), (28, 7853190), (30, 7329644), (35, 6282552), (40, 5497233), (42, 5235460), (56, 3926595), (60, 3664822), (70, 3141276), (84, 2617730), (105, 2094184), (120, 1832411), (140, 1570638), (168, 1308865), (210, 1047092), (280, 785319), (420, 523546), (840, 261773)]