71428920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{5563}}^1$

素因数の和:5684

約数の個数: 64

約数和(自身を含む): 216328320

約数和(自身を除く): 144899400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 107, 120, 214, 321, 428, 535, 642, 856, 1070, 1284, 1605, 2140, 2568, 3210, 4280, 5563, 6420, 11126, 12840, 16689, 22252, 27815, 33378, 44504, 55630, 66756, 83445, 111260, 133512, 166890, 222520, 333780, 595241, 667560, 1190482, 1785723, 2380964, 2976205, 3571446, 4761928, 5952410, 7142892, 8928615, 11904820, 14285784, 17857230, 23809640, 35714460, 71428920]

約数ペア:

[(1, 71428920), (2, 35714460), (3, 23809640), (4, 17857230), (5, 14285784), (6, 11904820), (8, 8928615), (10, 7142892), (12, 5952410), (15, 4761928), (20, 3571446), (24, 2976205), (30, 2380964), (40, 1785723), (60, 1190482), (107, 667560), (120, 595241), (214, 333780), (321, 222520), (428, 166890), (535, 133512), (642, 111260), (856, 83445), (1070, 66756), (1284, 55630), (1605, 44504), (2140, 33378), (2568, 27815), (3210, 22252), (4280, 16689), (5563, 12840), (6420, 11126)]