81900564456

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{1427}}^1\times {\mathrm{125863}}^1$

素因数の和:127318

約数の個数: 64

約数和(自身を含む): 215680550400

約数和(自身を除く): 133779985944

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 38, 57, 76, 114, 152, 228, 456, 1427, 2854, 4281, 5708, 8562, 11416, 17124, 27113, 34248, 54226, 81339, 108452, 125863, 162678, 216904, 251726, 325356, 377589, 503452, 650712, 755178, 1006904, 1510356, 2391397, 3020712, 4782794, 7174191, 9565588, 14348382, 19131176, 28696764, 57393528, 179606501, 359213002, 538819503, 718426004, 1077639006, 1436852008, 2155278012, 3412523519, 4310556024, 6825047038, 10237570557, 13650094076, 20475141114, 27300188152, 40950282228, 81900564456]

約数ペア:

[(1, 81900564456), (2, 40950282228), (3, 27300188152), (4, 20475141114), (6, 13650094076), (8, 10237570557), (12, 6825047038), (19, 4310556024), (24, 3412523519), (38, 2155278012), (57, 1436852008), (76, 1077639006), (114, 718426004), (152, 538819503), (228, 359213002), (456, 179606501), (1427, 57393528), (2854, 28696764), (4281, 19131176), (5708, 14348382), (8562, 9565588), (11416, 7174191), (17124, 4782794), (27113, 3020712), (34248, 2391397), (54226, 1510356), (81339, 1006904), (108452, 755178), (125863, 650712), (162678, 503452), (216904, 377589), (251726, 325356)]