15444440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{3191}}^1$

素因数の和:3224

約数の個数: 48

約数和(自身を含む): 38208240

約数和(自身を除く): 22763800

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 220, 242, 440, 484, 605, 968, 1210, 2420, 3191, 4840, 6382, 12764, 15955, 25528, 31910, 35101, 63820, 70202, 127640, 140404, 175505, 280808, 351010, 386111, 702020, 772222, 1404040, 1544444, 1930555, 3088888, 3861110, 7722220, 15444440]

約数ペア:

[(1, 15444440), (2, 7722220), (4, 3861110), (5, 3088888), (8, 1930555), (10, 1544444), (11, 1404040), (20, 772222), (22, 702020), (40, 386111), (44, 351010), (55, 280808), (88, 175505), (110, 140404), (121, 127640), (220, 70202), (242, 63820), (440, 35101), (484, 31910), (605, 25528), (968, 15955), (1210, 12764), (2420, 6382), (3191, 4840)]