220814160

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{131437}}^1$

素因数の和:131460

約数の個数: 80

約数和(自身を含む): 782318976

約数和(自身を除く): 561504816

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, 131437, 262874, 394311, 525748, 657185, 788622, 920059, 1051496, 1314370, 1577244, 1840118, 1971555, 2102992, 2628740, 2760177, 3154488, 3680236, 3943110, 4600295, 5257480, 5520354, 6308976, 7360472, 7886220, 9200590, 10514960, 11040708, 13800885, 14720944, 15772440, 18401180, 22081416, 27601770, 31544880, 36802360, 44162832, 55203540, 73604720, 110407080, 220814160]

約数ペア:

[(1, 220814160), (2, 110407080), (3, 73604720), (4, 55203540), (5, 44162832), (6, 36802360), (7, 31544880), (8, 27601770), (10, 22081416), (12, 18401180), (14, 15772440), (15, 14720944), (16, 13800885), (20, 11040708), (21, 10514960), (24, 9200590), (28, 7886220), (30, 7360472), (35, 6308976), (40, 5520354), (42, 5257480), (48, 4600295), (56, 3943110), (60, 3680236), (70, 3154488), (80, 2760177), (84, 2628740), (105, 2102992), (112, 1971555), (120, 1840118), (140, 1577244), (168, 1314370), (210, 1051496), (240, 920059), (280, 788622), (336, 657185), (420, 525748), (560, 394311), (840, 262874), (1680, 131437)]