216256000

素因数分解:

$2^9\times 5^3\times {\mathrm{31}}^1\times {\mathrm{109}}^1$

素因数の和:173

約数の個数: 160

約数和(自身を含む): 561749760

約数和(自身を除く): 345493760

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, 512, 545, 620, 640, 775, 800, 872, 992, 1000, 1090, 1240, 1280, 1550, 1600, 1744, 1984, 2000, 2180, 2480, 2560, 2725, 3100, 3200, 3379, 3488, 3875, 3968, 4000, 4360, 4960, 5450, 6200, 6400, 6758, 6976, 7750, 7936, 8000, 8720, 9920, 10900, 12400, 12800, 13516, 13625, 13952, 15500, 15872, 16000, 16895, 17440, 19840, 21800, 24800, 27032, 27250, 27904, 31000, 32000, 33790, 34880, 39680, 43600, 49600, 54064, 54500, 55808, 62000, 64000, 67580, 69760, 79360, 84475, 87200, 99200, 108128, 109000, 124000, 135160, 139520, 168950, 174400, 198400, 216256, 218000, 248000, 270320, 279040, 337900, 348800, 396800, 422375, 432512, 436000, 496000, 540640, 675800, 697600, 844750, 865024, 872000, 992000, 1081280, 1351600, 1395200, 1689500, 1730048, 1744000, 1984000, 2162560, 2703200, 3379000, 3488000, 4325120, 5406400, 6758000, 6976000, 8650240, 10812800, 13516000, 21625600, 27032000, 43251200, 54064000, 108128000, 216256000]

約数ペア:

[(1, 216256000), (2, 108128000), (4, 54064000), (5, 43251200), (8, 27032000), (10, 21625600), (16, 13516000), (20, 10812800), (25, 8650240), (31, 6976000), (32, 6758000), (40, 5406400), (50, 4325120), (62, 3488000), (64, 3379000), (80, 2703200), (100, 2162560), (109, 1984000), (124, 1744000), (125, 1730048), (128, 1689500), (155, 1395200), (160, 1351600), (200, 1081280), (218, 992000), (248, 872000), (250, 865024), (256, 844750), (310, 697600), (320, 675800), (400, 540640), (436, 496000), (496, 436000), (500, 432512), (512, 422375), (545, 396800), (620, 348800), (640, 337900), (775, 279040), (800, 270320), (872, 248000), (992, 218000), (1000, 216256), (1090, 198400), (1240, 174400), (1280, 168950), (1550, 139520), (1600, 135160), (1744, 124000), (1984, 109000), (2000, 108128), (2180, 99200), (2480, 87200), (2560, 84475), (2725, 79360), (3100, 69760), (3200, 67580), (3379, 64000), (3488, 62000), (3875, 55808), (3968, 54500), (4000, 54064), (4360, 49600), (4960, 43600), (5450, 39680), (6200, 34880), (6400, 33790), (6758, 32000), (6976, 31000), (7750, 27904), (7936, 27250), (8000, 27032), (8720, 24800), (9920, 21800), (10900, 19840), (12400, 17440), (12800, 16895), (13516, 16000), (13625, 15872), (13952, 15500)]