128460995

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1$

素因数の和:180

約数の個数: 64

約数和(自身を含む): 186278400

約数和(自身を除く): 57817405

約数列:

[1, 5, 13, 19, 41, 43, 59, 65, 95, 205, 215, 247, 295, 533, 559, 767, 779, 817, 1121, 1235, 1763, 2419, 2537, 2665, 2795, 3835, 3895, 4085, 5605, 8815, 10127, 10621, 12095, 12685, 14573, 22919, 31447, 32981, 33497, 45961, 48203, 50635, 53105, 72865, 104017, 114595, 157235, 164905, 167485, 229805, 241015, 435461, 520085, 597493, 626639, 1352221, 1976323, 2177305, 2987465, 3133195, 6761105, 9881615, 25692199, 128460995]

約数ペア:

[(1, 128460995), (5, 25692199), (13, 9881615), (19, 6761105), (41, 3133195), (43, 2987465), (59, 2177305), (65, 1976323), (95, 1352221), (205, 626639), (215, 597493), (247, 520085), (295, 435461), (533, 241015), (559, 229805), (767, 167485), (779, 164905), (817, 157235), (1121, 114595), (1235, 104017), (1763, 72865), (2419, 53105), (2537, 50635), (2665, 48203), (2795, 45961), (3835, 33497), (3895, 32981), (4085, 31447), (5605, 22919), (8815, 14573), (10127, 12685), (10621, 12095)]