280391496

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{2137}}^1$

素因数の和:2235

約数の個数: 128

約数和(自身を含む): 886671360

約数和(自身を除く): 606279864

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 21, 22, 24, 28, 33, 42, 44, 56, 66, 71, 77, 84, 88, 132, 142, 154, 168, 213, 231, 264, 284, 308, 426, 462, 497, 568, 616, 781, 852, 924, 994, 1491, 1562, 1704, 1848, 1988, 2137, 2343, 2982, 3124, 3976, 4274, 4686, 5467, 5964, 6248, 6411, 8548, 9372, 10934, 11928, 12822, 14959, 16401, 17096, 18744, 21868, 23507, 25644, 29918, 32802, 43736, 44877, 47014, 51288, 59836, 65604, 70521, 89754, 94028, 119672, 131208, 141042, 151727, 164549, 179508, 188056, 282084, 303454, 329098, 359016, 455181, 493647, 564168, 606908, 658196, 910362, 987294, 1062089, 1213816, 1316392, 1668997, 1820724, 1974588, 2124178, 3186267, 3337994, 3641448, 3949176, 4248356, 5006991, 6372534, 6675988, 8496712, 10013982, 11682979, 12745068, 13351976, 20027964, 23365958, 25490136, 35048937, 40055928, 46731916, 70097874, 93463832, 140195748, 280391496]

約数ペア:

[(1, 280391496), (2, 140195748), (3, 93463832), (4, 70097874), (6, 46731916), (7, 40055928), (8, 35048937), (11, 25490136), (12, 23365958), (14, 20027964), (21, 13351976), (22, 12745068), (24, 11682979), (28, 10013982), (33, 8496712), (42, 6675988), (44, 6372534), (56, 5006991), (66, 4248356), (71, 3949176), (77, 3641448), (84, 3337994), (88, 3186267), (132, 2124178), (142, 1974588), (154, 1820724), (168, 1668997), (213, 1316392), (231, 1213816), (264, 1062089), (284, 987294), (308, 910362), (426, 658196), (462, 606908), (497, 564168), (568, 493647), (616, 455181), (781, 359016), (852, 329098), (924, 303454), (994, 282084), (1491, 188056), (1562, 179508), (1704, 164549), (1848, 151727), (1988, 141042), (2137, 131208), (2343, 119672), (2982, 94028), (3124, 89754), (3976, 70521), (4274, 65604), (4686, 59836), (5467, 51288), (5964, 47014), (6248, 44877), (6411, 43736), (8548, 32802), (9372, 29918), (10934, 25644), (11928, 23507), (12822, 21868), (14959, 18744), (16401, 17096)]