66711920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^2$

素因数の和:151

約数の個数: 120

約数和(自身を含む): 177457392

約数和(自身を除く): 110745472

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 41, 43, 44, 55, 80, 82, 86, 88, 110, 164, 172, 176, 205, 215, 220, 328, 344, 410, 430, 440, 451, 473, 656, 688, 820, 860, 880, 902, 946, 1640, 1720, 1763, 1804, 1849, 1892, 2255, 2365, 3280, 3440, 3526, 3608, 3698, 3784, 4510, 4730, 7052, 7216, 7396, 7568, 8815, 9020, 9245, 9460, 14104, 14792, 17630, 18040, 18490, 18920, 19393, 20339, 28208, 29584, 35260, 36080, 36980, 37840, 38786, 40678, 70520, 73960, 75809, 77572, 81356, 96965, 101695, 141040, 147920, 151618, 155144, 162712, 193930, 203390, 303236, 310288, 325424, 379045, 387860, 406780, 606472, 758090, 775720, 813560, 833899, 1212944, 1516180, 1551440, 1627120, 1667798, 3032360, 3335596, 4169495, 6064720, 6671192, 8338990, 13342384, 16677980, 33355960, 66711920]

約数ペア:

[(1, 66711920), (2, 33355960), (4, 16677980), (5, 13342384), (8, 8338990), (10, 6671192), (11, 6064720), (16, 4169495), (20, 3335596), (22, 3032360), (40, 1667798), (41, 1627120), (43, 1551440), (44, 1516180), (55, 1212944), (80, 833899), (82, 813560), (86, 775720), (88, 758090), (110, 606472), (164, 406780), (172, 387860), (176, 379045), (205, 325424), (215, 310288), (220, 303236), (328, 203390), (344, 193930), (410, 162712), (430, 155144), (440, 151618), (451, 147920), (473, 141040), (656, 101695), (688, 96965), (820, 81356), (860, 77572), (880, 75809), (902, 73960), (946, 70520), (1640, 40678), (1720, 38786), (1763, 37840), (1804, 36980), (1849, 36080), (1892, 35260), (2255, 29584), (2365, 28208), (3280, 20339), (3440, 19393), (3526, 18920), (3608, 18490), (3698, 18040), (3784, 17630), (4510, 14792), (4730, 14104), (7052, 9460), (7216, 9245), (7396, 9020), (7568, 8815)]