108128000

素因数分解:

$2^8\times 5^3\times {\mathrm{31}}^1\times {\mathrm{109}}^1$

素因数の和:171

約数の個数: 144

約数和(自身を含む): 280600320

約数和(自身を除く): 172472320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 64, 80, 100, 109, 124, 125, 128, 155, 160, 200, 218, 248, 250, 256, 310, 320, 400, 436, 496, 500, 545, 620, 640, 775, 800, 872, 992, 1000, 1090, 1240, 1280, 1550, 1600, 1744, 1984, 2000, 2180, 2480, 2725, 3100, 3200, 3379, 3488, 3875, 3968, 4000, 4360, 4960, 5450, 6200, 6400, 6758, 6976, 7750, 7936, 8000, 8720, 9920, 10900, 12400, 13516, 13625, 13952, 15500, 16000, 16895, 17440, 19840, 21800, 24800, 27032, 27250, 27904, 31000, 32000, 33790, 34880, 39680, 43600, 49600, 54064, 54500, 62000, 67580, 69760, 84475, 87200, 99200, 108128, 109000, 124000, 135160, 139520, 168950, 174400, 198400, 216256, 218000, 248000, 270320, 337900, 348800, 422375, 432512, 436000, 496000, 540640, 675800, 697600, 844750, 865024, 872000, 992000, 1081280, 1351600, 1689500, 1744000, 2162560, 2703200, 3379000, 3488000, 4325120, 5406400, 6758000, 10812800, 13516000, 21625600, 27032000, 54064000, 108128000]

約数ペア:

[(1, 108128000), (2, 54064000), (4, 27032000), (5, 21625600), (8, 13516000), (10, 10812800), (16, 6758000), (20, 5406400), (25, 4325120), (31, 3488000), (32, 3379000), (40, 2703200), (50, 2162560), (62, 1744000), (64, 1689500), (80, 1351600), (100, 1081280), (109, 992000), (124, 872000), (125, 865024), (128, 844750), (155, 697600), (160, 675800), (200, 540640), (218, 496000), (248, 436000), (250, 432512), (256, 422375), (310, 348800), (320, 337900), (400, 270320), (436, 248000), (496, 218000), (500, 216256), (545, 198400), (620, 174400), (640, 168950), (775, 139520), (800, 135160), (872, 124000), (992, 109000), (1000, 108128), (1090, 99200), (1240, 87200), (1280, 84475), (1550, 69760), (1600, 67580), (1744, 62000), (1984, 54500), (2000, 54064), (2180, 49600), (2480, 43600), (2725, 39680), (3100, 34880), (3200, 33790), (3379, 32000), (3488, 31000), (3875, 27904), (3968, 27250), (4000, 27032), (4360, 24800), (4960, 21800), (5450, 19840), (6200, 17440), (6400, 16895), (6758, 16000), (6976, 15500), (7750, 13952), (7936, 13625), (8000, 13516), (8720, 12400), (9920, 10900)]