168705040

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{43037}}^1$

素因数の和:43064

約数の個数: 60

約数和(自身を含む): 456288876

約数和(自身を除く): 287583836

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 43037, 86074, 172148, 215185, 301259, 344296, 430370, 602518, 688592, 860740, 1205036, 1506295, 1721480, 2108813, 2410072, 3012590, 3442960, 4217626, 4820144, 6025180, 8435252, 10544065, 12050360, 16870504, 21088130, 24100720, 33741008, 42176260, 84352520, 168705040]

約数ペア:

[(1, 168705040), (2, 84352520), (4, 42176260), (5, 33741008), (7, 24100720), (8, 21088130), (10, 16870504), (14, 12050360), (16, 10544065), (20, 8435252), (28, 6025180), (35, 4820144), (40, 4217626), (49, 3442960), (56, 3012590), (70, 2410072), (80, 2108813), (98, 1721480), (112, 1506295), (140, 1205036), (196, 860740), (245, 688592), (280, 602518), (392, 430370), (490, 344296), (560, 301259), (784, 215185), (980, 172148), (1960, 86074), (3920, 43037)]