180013120

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{80363}}^1$

素因数の和:80387

約数の個数: 56

約数和(自身を含む): 489898944

約数和(自身を除く): 309885824

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 80363, 160726, 321452, 401815, 562541, 642904, 803630, 1125082, 1285808, 1607260, 2250164, 2571616, 2812705, 3214520, 4500328, 5143232, 5625410, 6429040, 9000656, 11250820, 12858080, 18001312, 22501640, 25716160, 36002624, 45003280, 90006560, 180013120]

約数ペア:

[(1, 180013120), (2, 90006560), (4, 45003280), (5, 36002624), (7, 25716160), (8, 22501640), (10, 18001312), (14, 12858080), (16, 11250820), (20, 9000656), (28, 6429040), (32, 5625410), (35, 5143232), (40, 4500328), (56, 3214520), (64, 2812705), (70, 2571616), (80, 2250164), (112, 1607260), (140, 1285808), (160, 1125082), (224, 803630), (280, 642904), (320, 562541), (448, 401815), (560, 321452), (1120, 160726), (2240, 80363)]