72162020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{709}}^1\times {\mathrm{727}}^1$

素因数の和:1452

約数の個数: 48

約数和(自身を含む): 173671680

約数和(自身を除く): 101509660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 709, 727, 1418, 1454, 2836, 2908, 3545, 3635, 4963, 5089, 7090, 7270, 9926, 10178, 14180, 14540, 19852, 20356, 24815, 25445, 49630, 50890, 99260, 101780, 515443, 1030886, 2061772, 2577215, 3608101, 5154430, 7216202, 10308860, 14432404, 18040505, 36081010, 72162020]

約数ペア:

[(1, 72162020), (2, 36081010), (4, 18040505), (5, 14432404), (7, 10308860), (10, 7216202), (14, 5154430), (20, 3608101), (28, 2577215), (35, 2061772), (70, 1030886), (140, 515443), (709, 101780), (727, 99260), (1418, 50890), (1454, 49630), (2836, 25445), (2908, 24815), (3545, 20356), (3635, 19852), (4963, 14540), (5089, 14180), (7090, 10178), (7270, 9926)]