668834460

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{557}}^1\times {\mathrm{953}}^1$

素因数の和:1532

約数の個数: 144

約数和(自身を含む): 2325226176

約数和(自身を除く): 1656391716

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 557, 630, 953, 1114, 1260, 1671, 1906, 2228, 2785, 2859, 3342, 3812, 3899, 4765, 5013, 5570, 5718, 6671, 6684, 7798, 8355, 8577, 9530, 10026, 11140, 11436, 11697, 13342, 14295, 15596, 16710, 17154, 19060, 19495, 20013, 20052, 23394, 25065, 26684, 28590, 33355, 33420, 34308, 35091, 38990, 40026, 42885, 46788, 50130, 57180, 58485, 60039, 66710, 70182, 77980, 80052, 85770, 100065, 100260, 116970, 120078, 133420, 140364, 171540, 175455, 200130, 233940, 240156, 300195, 350910, 400260, 530821, 600390, 701820, 1061642, 1200780, 1592463, 2123284, 2654105, 3184926, 3715747, 4777389, 5308210, 6369852, 7431494, 7962315, 9554778, 10616420, 11147241, 14862988, 15924630, 18578735, 19109556, 22294482, 23886945, 31849260, 33441723, 37157470, 44588964, 47773890, 55736205, 66883446, 74314940, 95547780, 111472410, 133766892, 167208615, 222944820, 334417230, 668834460]

約数ペア:

[(1, 668834460), (2, 334417230), (3, 222944820), (4, 167208615), (5, 133766892), (6, 111472410), (7, 95547780), (9, 74314940), (10, 66883446), (12, 55736205), (14, 47773890), (15, 44588964), (18, 37157470), (20, 33441723), (21, 31849260), (28, 23886945), (30, 22294482), (35, 19109556), (36, 18578735), (42, 15924630), (45, 14862988), (60, 11147241), (63, 10616420), (70, 9554778), (84, 7962315), (90, 7431494), (105, 6369852), (126, 5308210), (140, 4777389), (180, 3715747), (210, 3184926), (252, 2654105), (315, 2123284), (420, 1592463), (557, 1200780), (630, 1061642), (953, 701820), (1114, 600390), (1260, 530821), (1671, 400260), (1906, 350910), (2228, 300195), (2785, 240156), (2859, 233940), (3342, 200130), (3812, 175455), (3899, 171540), (4765, 140364), (5013, 133420), (5570, 120078), (5718, 116970), (6671, 100260), (6684, 100065), (7798, 85770), (8355, 80052), (8577, 77980), (9530, 70182), (10026, 66710), (11140, 60039), (11436, 58485), (11697, 57180), (13342, 50130), (14295, 46788), (15596, 42885), (16710, 40026), (17154, 38990), (19060, 35091), (19495, 34308), (20013, 33420), (20052, 33355), (23394, 28590), (25065, 26684)]