128144100

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{439}}^1$

素因数の和:602

約数の個数: 144

約数和(自身を含む): 427750400

約数和(自身を除く): 299606300

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 105, 139, 140, 150, 175, 210, 278, 300, 350, 417, 420, 439, 525, 556, 695, 700, 834, 878, 973, 1050, 1317, 1390, 1668, 1756, 1946, 2085, 2100, 2195, 2634, 2780, 2919, 3073, 3475, 3892, 4170, 4390, 4865, 5268, 5838, 6146, 6585, 6950, 8340, 8780, 9219, 9730, 10425, 10975, 11676, 12292, 13170, 13900, 14595, 15365, 18438, 19460, 20850, 21950, 24325, 26340, 29190, 30730, 32925, 36876, 41700, 43900, 46095, 48650, 58380, 61021, 61460, 65850, 72975, 76825, 92190, 97300, 122042, 131700, 145950, 153650, 183063, 184380, 230475, 244084, 291900, 305105, 307300, 366126, 427147, 460950, 610210, 732252, 854294, 915315, 921900, 1220420, 1281441, 1525525, 1708588, 1830630, 2135735, 2562882, 3051050, 3661260, 4271470, 4576575, 5125764, 6102100, 6407205, 8542940, 9153150, 10678675, 12814410, 18306300, 21357350, 25628820, 32036025, 42714700, 64072050, 128144100]

約数ペア:

[(1, 128144100), (2, 64072050), (3, 42714700), (4, 32036025), (5, 25628820), (6, 21357350), (7, 18306300), (10, 12814410), (12, 10678675), (14, 9153150), (15, 8542940), (20, 6407205), (21, 6102100), (25, 5125764), (28, 4576575), (30, 4271470), (35, 3661260), (42, 3051050), (50, 2562882), (60, 2135735), (70, 1830630), (75, 1708588), (84, 1525525), (100, 1281441), (105, 1220420), (139, 921900), (140, 915315), (150, 854294), (175, 732252), (210, 610210), (278, 460950), (300, 427147), (350, 366126), (417, 307300), (420, 305105), (439, 291900), (525, 244084), (556, 230475), (695, 184380), (700, 183063), (834, 153650), (878, 145950), (973, 131700), (1050, 122042), (1317, 97300), (1390, 92190), (1668, 76825), (1756, 72975), (1946, 65850), (2085, 61460), (2100, 61021), (2195, 58380), (2634, 48650), (2780, 46095), (2919, 43900), (3073, 41700), (3475, 36876), (3892, 32925), (4170, 30730), (4390, 29190), (4865, 26340), (5268, 24325), (5838, 21950), (6146, 20850), (6585, 19460), (6950, 18438), (8340, 15365), (8780, 14595), (9219, 13900), (9730, 13170), (10425, 12292), (10975, 11676)]