78960560

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{20143}}^1$

素因数の和:20170

約数の個数: 60

約数和(自身を含む): 213566688

約数和(自身を除く): 134606128

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, 20143, 40286, 80572, 100715, 141001, 161144, 201430, 282002, 322288, 402860, 564004, 705005, 805720, 987007, 1128008, 1410010, 1611440, 1974014, 2256016, 2820020, 3948028, 4935035, 5640040, 7896056, 9870070, 11280080, 15792112, 19740140, 39480280, 78960560]

約数ペア:

[(1, 78960560), (2, 39480280), (4, 19740140), (5, 15792112), (7, 11280080), (8, 9870070), (10, 7896056), (14, 5640040), (16, 4935035), (20, 3948028), (28, 2820020), (35, 2256016), (40, 1974014), (49, 1611440), (56, 1410010), (70, 1128008), (80, 987007), (98, 805720), (112, 705005), (140, 564004), (196, 402860), (245, 322288), (280, 282002), (392, 201430), (490, 161144), (560, 141001), (784, 100715), (980, 80572), (1960, 40286), (3920, 20143)]