767728638

素因数分解:

$2^1\times 3^3\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1\times {\mathrm{109}}^1$

素因数の和:303

約数の個数: 128

約数和(自身を含む): 1847577600

約数和(自身を除く): 1079848962

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 46, 53, 54, 69, 106, 107, 109, 138, 159, 207, 214, 218, 318, 321, 327, 414, 477, 621, 642, 654, 954, 963, 981, 1219, 1242, 1431, 1926, 1962, 2438, 2461, 2507, 2862, 2889, 2943, 3657, 4922, 5014, 5671, 5777, 5778, 5886, 7314, 7383, 7521, 10971, 11342, 11554, 11663, 14766, 15042, 17013, 17331, 21942, 22149, 22563, 23326, 32913, 34026, 34662, 34989, 44298, 45126, 51039, 51993, 65826, 66447, 67689, 69978, 102078, 103986, 104967, 130433, 132871, 132894, 135378, 153117, 155979, 209934, 260866, 265742, 268249, 306234, 311958, 314901, 391299, 398613, 536498, 618139, 629802, 782598, 797226, 804747, 1173897, 1195839, 1236278, 1609494, 1854417, 2347794, 2391678, 2414241, 3521691, 3587517, 3708834, 4828482, 5563251, 7043382, 7175034, 7242723, 11126502, 14217197, 14485446, 16689753, 28434394, 33379506, 42651591, 85303182, 127954773, 255909546, 383864319, 767728638]

約数ペア:

[(1, 767728638), (2, 383864319), (3, 255909546), (6, 127954773), (9, 85303182), (18, 42651591), (23, 33379506), (27, 28434394), (46, 16689753), (53, 14485446), (54, 14217197), (69, 11126502), (106, 7242723), (107, 7175034), (109, 7043382), (138, 5563251), (159, 4828482), (207, 3708834), (214, 3587517), (218, 3521691), (318, 2414241), (321, 2391678), (327, 2347794), (414, 1854417), (477, 1609494), (621, 1236278), (642, 1195839), (654, 1173897), (954, 804747), (963, 797226), (981, 782598), (1219, 629802), (1242, 618139), (1431, 536498), (1926, 398613), (1962, 391299), (2438, 314901), (2461, 311958), (2507, 306234), (2862, 268249), (2889, 265742), (2943, 260866), (3657, 209934), (4922, 155979), (5014, 153117), (5671, 135378), (5777, 132894), (5778, 132871), (5886, 130433), (7314, 104967), (7383, 103986), (7521, 102078), (10971, 69978), (11342, 67689), (11554, 66447), (11663, 65826), (14766, 51993), (15042, 51039), (17013, 45126), (17331, 44298), (21942, 34989), (22149, 34662), (22563, 34026), (23326, 32913)]