278045124420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{1559}}^1\times {\mathrm{424639}}^1$

素因数の和:426217

約数の個数: 96

約数和(自身を含む): 890317209600

約数和(自身を除く): 612272085180

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 1559, 3118, 4677, 6236, 7795, 9354, 10913, 15590, 18708, 21826, 23385, 31180, 32739, 43652, 46770, 54565, 65478, 93540, 109130, 130956, 163695, 218260, 327390, 424639, 654780, 849278, 1273917, 1698556, 2123195, 2547834, 2972473, 4246390, 5095668, 5944946, 6369585, 8492780, 8917419, 11889892, 12739170, 14862365, 17834838, 25478340, 29724730, 35669676, 44587095, 59449460, 89174190, 178348380, 662012201, 1324024402, 1986036603, 2648048804, 3310061005, 3972073206, 4634085407, 6620122010, 7944146412, 9268170814, 9930183015, 13240244020, 13902256221, 18536341628, 19860366030, 23170427035, 27804512442, 39720732060, 46340854070, 55609024884, 69511281105, 92681708140, 139022562210, 278045124420]

約数ペア:

[(1, 278045124420), (2, 139022562210), (3, 92681708140), (4, 69511281105), (5, 55609024884), (6, 46340854070), (7, 39720732060), (10, 27804512442), (12, 23170427035), (14, 19860366030), (15, 18536341628), (20, 13902256221), (21, 13240244020), (28, 9930183015), (30, 9268170814), (35, 7944146412), (42, 6620122010), (60, 4634085407), (70, 3972073206), (84, 3310061005), (105, 2648048804), (140, 1986036603), (210, 1324024402), (420, 662012201), (1559, 178348380), (3118, 89174190), (4677, 59449460), (6236, 44587095), (7795, 35669676), (9354, 29724730), (10913, 25478340), (15590, 17834838), (18708, 14862365), (21826, 12739170), (23385, 11889892), (31180, 8917419), (32739, 8492780), (43652, 6369585), (46770, 5944946), (54565, 5095668), (65478, 4246390), (93540, 2972473), (109130, 2547834), (130956, 2123195), (163695, 1698556), (218260, 1273917), (327390, 849278), (424639, 654780)]