87490760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{1619}}^1$

素因数の和:1830

約数の個数: 64

約数和(自身を含む): 226281600

約数和(自身を除く): 138790840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 193, 280, 386, 772, 965, 1351, 1544, 1619, 1930, 2702, 3238, 3860, 5404, 6476, 6755, 7720, 8095, 10808, 11333, 12952, 13510, 16190, 22666, 27020, 32380, 45332, 54040, 56665, 64760, 90664, 113330, 226660, 312467, 453320, 624934, 1249868, 1562335, 2187269, 2499736, 3124670, 4374538, 6249340, 8749076, 10936345, 12498680, 17498152, 21872690, 43745380, 87490760]

約数ペア:

[(1, 87490760), (2, 43745380), (4, 21872690), (5, 17498152), (7, 12498680), (8, 10936345), (10, 8749076), (14, 6249340), (20, 4374538), (28, 3124670), (35, 2499736), (40, 2187269), (56, 1562335), (70, 1249868), (140, 624934), (193, 453320), (280, 312467), (386, 226660), (772, 113330), (965, 90664), (1351, 64760), (1544, 56665), (1619, 54040), (1930, 45332), (2702, 32380), (3238, 27020), (3860, 22666), (5404, 16190), (6476, 13510), (6755, 12952), (7720, 11333), (8095, 10808)]