64876800

素因数分解:

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

素因数の和:169

約数の個数: 216

約数和(自身を含む): 223041280

約数和(自身を除く): 158164480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 31, 32, 40, 48, 50, 60, 62, 64, 75, 80, 93, 96, 100, 109, 120, 124, 128, 150, 155, 160, 186, 192, 200, 218, 240, 248, 256, 300, 310, 320, 327, 372, 384, 400, 436, 465, 480, 496, 545, 600, 620, 640, 654, 744, 768, 775, 800, 872, 930, 960, 992, 1090, 1200, 1240, 1280, 1308, 1488, 1550, 1600, 1635, 1744, 1860, 1920, 1984, 2180, 2325, 2400, 2480, 2616, 2725, 2976, 3100, 3200, 3270, 3379, 3488, 3720, 3840, 3968, 4360, 4650, 4800, 4960, 5232, 5450, 5952, 6200, 6400, 6540, 6758, 6976, 7440, 7936, 8175, 8720, 9300, 9600, 9920, 10137, 10464, 10900, 11904, 12400, 13080, 13516, 13952, 14880, 16350, 16895, 17440, 18600, 19200, 19840, 20274, 20928, 21800, 23808, 24800, 26160, 27032, 27904, 29760, 32700, 33790, 34880, 37200, 39680, 40548, 41856, 43600, 49600, 50685, 52320, 54064, 59520, 65400, 67580, 69760, 74400, 81096, 83712, 84475, 87200, 99200, 101370, 104640, 108128, 119040, 130800, 135160, 139520, 148800, 162192, 168950, 174400, 198400, 202740, 209280, 216256, 253425, 261600, 270320, 297600, 324384, 337900, 348800, 405480, 418560, 432512, 506850, 523200, 540640, 595200, 648768, 675800, 697600, 810960, 865024, 1013700, 1046400, 1081280, 1297536, 1351600, 1621920, 2027400, 2092800, 2162560, 2595072, 2703200, 3243840, 4054800, 4325120, 5406400, 6487680, 8109600, 10812800, 12975360, 16219200, 21625600, 32438400, 64876800]

約数ペア:

[(1, 64876800), (2, 32438400), (3, 21625600), (4, 16219200), (5, 12975360), (6, 10812800), (8, 8109600), (10, 6487680), (12, 5406400), (15, 4325120), (16, 4054800), (20, 3243840), (24, 2703200), (25, 2595072), (30, 2162560), (31, 2092800), (32, 2027400), (40, 1621920), (48, 1351600), (50, 1297536), (60, 1081280), (62, 1046400), (64, 1013700), (75, 865024), (80, 810960), (93, 697600), (96, 675800), (100, 648768), (109, 595200), (120, 540640), (124, 523200), (128, 506850), (150, 432512), (155, 418560), (160, 405480), (186, 348800), (192, 337900), (200, 324384), (218, 297600), (240, 270320), (248, 261600), (256, 253425), (300, 216256), (310, 209280), (320, 202740), (327, 198400), (372, 174400), (384, 168950), (400, 162192), (436, 148800), (465, 139520), (480, 135160), (496, 130800), (545, 119040), (600, 108128), (620, 104640), (640, 101370), (654, 99200), (744, 87200), (768, 84475), (775, 83712), (800, 81096), (872, 74400), (930, 69760), (960, 67580), (992, 65400), (1090, 59520), (1200, 54064), (1240, 52320), (1280, 50685), (1308, 49600), (1488, 43600), (1550, 41856), (1600, 40548), (1635, 39680), (1744, 37200), (1860, 34880), (1920, 33790), (1984, 32700), (2180, 29760), (2325, 27904), (2400, 27032), (2480, 26160), (2616, 24800), (2725, 23808), (2976, 21800), (3100, 20928), (3200, 20274), (3270, 19840), (3379, 19200), (3488, 18600), (3720, 17440), (3840, 16895), (3968, 16350), (4360, 14880), (4650, 13952), (4800, 13516), (4960, 13080), (5232, 12400), (5450, 11904), (5952, 10900), (6200, 10464), (6400, 10137), (6540, 9920), (6758, 9600), (6976, 9300), (7440, 8720), (7936, 8175)]