31515540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{75037}}^1$

素因数の和:75056

約数の個数: 48

約数和(自身を含む): 100851072

約数和(自身を除く): 69335532

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, 75037, 150074, 225111, 300148, 375185, 450222, 525259, 750370, 900444, 1050518, 1125555, 1500740, 1575777, 2101036, 2251110, 2626295, 3151554, 4502220, 5252590, 6303108, 7878885, 10505180, 15757770, 31515540]

約数ペア:

[(1, 31515540), (2, 15757770), (3, 10505180), (4, 7878885), (5, 6303108), (6, 5252590), (7, 4502220), (10, 3151554), (12, 2626295), (14, 2251110), (15, 2101036), (20, 1575777), (21, 1500740), (28, 1125555), (30, 1050518), (35, 900444), (42, 750370), (60, 525259), (70, 450222), (84, 375185), (105, 300148), (140, 225111), (210, 150074), (420, 75037)]