81200040180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{193333429}}^1$

素因数の和:193333448

約数の個数: 48

約数和(自身を含む): 259840129920

約数和(自身を除く): 178640089740

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 193333429, 386666858, 580000287, 773333716, 966667145, 1160000574, 1353334003, 1933334290, 2320001148, 2706668006, 2900001435, 3866668580, 4060002009, 5413336012, 5800002870, 6766670015, 8120004018, 11600005740, 13533340030, 16240008036, 20300010045, 27066680060, 40600020090, 81200040180]

約数ペア:

[(1, 81200040180), (2, 40600020090), (3, 27066680060), (4, 20300010045), (5, 16240008036), (6, 13533340030), (7, 11600005740), (10, 8120004018), (12, 6766670015), (14, 5800002870), (15, 5413336012), (20, 4060002009), (21, 3866668580), (28, 2900001435), (30, 2706668006), (35, 2320001148), (42, 1933334290), (60, 1353334003), (70, 1160000574), (84, 966667145), (105, 773333716), (140, 580000287), (210, 386666858), (420, 193333429)]