180857732

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{277}}^1$

素因数の和:393

約数の個数: 72

約数和(自身を含む): 372697920

約数和(自身を除く): 191840188

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 71, 76, 121, 142, 209, 242, 277, 284, 418, 484, 554, 781, 836, 1108, 1349, 1562, 2299, 2698, 3047, 3124, 4598, 5263, 5396, 6094, 8591, 9196, 10526, 12188, 14839, 17182, 19667, 21052, 29678, 33517, 34364, 39334, 57893, 59356, 67034, 78668, 115786, 134068, 163229, 216337, 231572, 326458, 373673, 432674, 636823, 652916, 747346, 865348, 1273646, 1494692, 2379707, 2547292, 4110403, 4759414, 8220806, 9518828, 16441612, 45214433, 90428866, 180857732]

約数ペア:

[(1, 180857732), (2, 90428866), (4, 45214433), (11, 16441612), (19, 9518828), (22, 8220806), (38, 4759414), (44, 4110403), (71, 2547292), (76, 2379707), (121, 1494692), (142, 1273646), (209, 865348), (242, 747346), (277, 652916), (284, 636823), (418, 432674), (484, 373673), (554, 326458), (781, 231572), (836, 216337), (1108, 163229), (1349, 134068), (1562, 115786), (2299, 78668), (2698, 67034), (3047, 59356), (3124, 57893), (4598, 39334), (5263, 34364), (5396, 33517), (6094, 29678), (8591, 21052), (9196, 19667), (10526, 17182), (12188, 14839)]