68569840

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{397}}^1$

素因数の和:554

約数の個数: 80

約数和(自身を含む): 170560512

約数和(自身を除く): 101990672

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 127, 136, 170, 254, 272, 340, 397, 508, 635, 680, 794, 1016, 1270, 1360, 1588, 1985, 2032, 2159, 2540, 3176, 3970, 4318, 5080, 6352, 6749, 7940, 8636, 10160, 10795, 13498, 15880, 17272, 21590, 26996, 31760, 33745, 34544, 43180, 50419, 53992, 67490, 86360, 100838, 107984, 134980, 172720, 201676, 252095, 269960, 403352, 504190, 539920, 806704, 857123, 1008380, 1714246, 2016760, 3428492, 4033520, 4285615, 6856984, 8571230, 13713968, 17142460, 34284920, 68569840]

約数ペア:

[(1, 68569840), (2, 34284920), (4, 17142460), (5, 13713968), (8, 8571230), (10, 6856984), (16, 4285615), (17, 4033520), (20, 3428492), (34, 2016760), (40, 1714246), (68, 1008380), (80, 857123), (85, 806704), (127, 539920), (136, 504190), (170, 403352), (254, 269960), (272, 252095), (340, 201676), (397, 172720), (508, 134980), (635, 107984), (680, 100838), (794, 86360), (1016, 67490), (1270, 53992), (1360, 50419), (1588, 43180), (1985, 34544), (2032, 33745), (2159, 31760), (2540, 26996), (3176, 21590), (3970, 17272), (4318, 15880), (5080, 13498), (6352, 10795), (6749, 10160), (7940, 8636)]