15205540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{313}}^1\times {\mathrm{347}}^1$

素因数の和:676

約数の個数: 48

約数和(自身を含む): 36715392

約数和(自身を除く): 21509852

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 313, 347, 626, 694, 1252, 1388, 1565, 1735, 2191, 2429, 3130, 3470, 4382, 4858, 6260, 6940, 8764, 9716, 10955, 12145, 21910, 24290, 43820, 48580, 108611, 217222, 434444, 543055, 760277, 1086110, 1520554, 2172220, 3041108, 3801385, 7602770, 15205540]

約数ペア:

[(1, 15205540), (2, 7602770), (4, 3801385), (5, 3041108), (7, 2172220), (10, 1520554), (14, 1086110), (20, 760277), (28, 543055), (35, 434444), (70, 217222), (140, 108611), (313, 48580), (347, 43820), (626, 24290), (694, 21910), (1252, 12145), (1388, 10955), (1565, 9716), (1735, 8764), (2191, 6940), (2429, 6260), (3130, 4858), (3470, 4382)]