81374160

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{48437}}^1$

素因数の和:48460

約数の個数: 80

約数和(自身を含む): 288302976

約数和(自身を除く): 206928816

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, 48437, 96874, 145311, 193748, 242185, 290622, 339059, 387496, 484370, 581244, 678118, 726555, 774992, 968740, 1017177, 1162488, 1356236, 1453110, 1695295, 1937480, 2034354, 2324976, 2712472, 2906220, 3390590, 3874960, 4068708, 5085885, 5424944, 5812440, 6781180, 8137416, 10171770, 11624880, 13562360, 16274832, 20343540, 27124720, 40687080, 81374160]

約数ペア:

[(1, 81374160), (2, 40687080), (3, 27124720), (4, 20343540), (5, 16274832), (6, 13562360), (7, 11624880), (8, 10171770), (10, 8137416), (12, 6781180), (14, 5812440), (15, 5424944), (16, 5085885), (20, 4068708), (21, 3874960), (24, 3390590), (28, 2906220), (30, 2712472), (35, 2324976), (40, 2034354), (42, 1937480), (48, 1695295), (56, 1453110), (60, 1356236), (70, 1162488), (80, 1017177), (84, 968740), (105, 774992), (112, 726555), (120, 678118), (140, 581244), (168, 484370), (210, 387496), (240, 339059), (280, 290622), (336, 242185), (420, 193748), (560, 145311), (840, 96874), (1680, 48437)]