289324560

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{172217}}^1$

素因数の和:172240

約数の個数: 80

約数和(自身を含む): 1025041536

約数和(自身を除く): 735716976

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, 172217, 344434, 516651, 688868, 861085, 1033302, 1205519, 1377736, 1722170, 2066604, 2411038, 2583255, 2755472, 3444340, 3616557, 4133208, 4822076, 5166510, 6027595, 6888680, 7233114, 8266416, 9644152, 10333020, 12055190, 13777360, 14466228, 18082785, 19288304, 20666040, 24110380, 28932456, 36165570, 41332080, 48220760, 57864912, 72331140, 96441520, 144662280, 289324560]

約数ペア:

[(1, 289324560), (2, 144662280), (3, 96441520), (4, 72331140), (5, 57864912), (6, 48220760), (7, 41332080), (8, 36165570), (10, 28932456), (12, 24110380), (14, 20666040), (15, 19288304), (16, 18082785), (20, 14466228), (21, 13777360), (24, 12055190), (28, 10333020), (30, 9644152), (35, 8266416), (40, 7233114), (42, 6888680), (48, 6027595), (56, 5166510), (60, 4822076), (70, 4133208), (80, 3616557), (84, 3444340), (105, 2755472), (112, 2583255), (120, 2411038), (140, 2066604), (168, 1722170), (210, 1377736), (240, 1205519), (280, 1033302), (336, 861085), (420, 688868), (560, 516651), (840, 344434), (1680, 172217)]