19704960

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{311}}^1$

素因数の和:347

約数の個数: 192

約数和(自身を含む): 74468160

約数和(自身を除く): 54763200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 32, 33, 36, 40, 44, 45, 48, 55, 60, 64, 66, 72, 80, 88, 90, 96, 99, 110, 120, 128, 132, 144, 160, 165, 176, 180, 192, 198, 220, 240, 264, 288, 311, 320, 330, 352, 360, 384, 396, 440, 480, 495, 528, 576, 622, 640, 660, 704, 720, 792, 880, 933, 960, 990, 1056, 1152, 1244, 1320, 1408, 1440, 1555, 1584, 1760, 1866, 1920, 1980, 2112, 2488, 2640, 2799, 2880, 3110, 3168, 3421, 3520, 3732, 3960, 4224, 4665, 4976, 5280, 5598, 5760, 6220, 6336, 6842, 7040, 7464, 7920, 9330, 9952, 10263, 10560, 11196, 12440, 12672, 13684, 13995, 14928, 15840, 17105, 18660, 19904, 20526, 21120, 22392, 24880, 27368, 27990, 29856, 30789, 31680, 34210, 37320, 39808, 41052, 44784, 49760, 51315, 54736, 55980, 59712, 61578, 63360, 68420, 74640, 82104, 89568, 99520, 102630, 109472, 111960, 119424, 123156, 136840, 149280, 153945, 164208, 179136, 199040, 205260, 218944, 223920, 246312, 273680, 298560, 307890, 328416, 358272, 410520, 437888, 447840, 492624, 547360, 597120, 615780, 656832, 821040, 895680, 985248, 1094720, 1231560, 1313664, 1642080, 1791360, 1970496, 2189440, 2463120, 3284160, 3940992, 4926240, 6568320, 9852480, 19704960]

約数ペア:

[(1, 19704960), (2, 9852480), (3, 6568320), (4, 4926240), (5, 3940992), (6, 3284160), (8, 2463120), (9, 2189440), (10, 1970496), (11, 1791360), (12, 1642080), (15, 1313664), (16, 1231560), (18, 1094720), (20, 985248), (22, 895680), (24, 821040), (30, 656832), (32, 615780), (33, 597120), (36, 547360), (40, 492624), (44, 447840), (45, 437888), (48, 410520), (55, 358272), (60, 328416), (64, 307890), (66, 298560), (72, 273680), (80, 246312), (88, 223920), (90, 218944), (96, 205260), (99, 199040), (110, 179136), (120, 164208), (128, 153945), (132, 149280), (144, 136840), (160, 123156), (165, 119424), (176, 111960), (180, 109472), (192, 102630), (198, 99520), (220, 89568), (240, 82104), (264, 74640), (288, 68420), (311, 63360), (320, 61578), (330, 59712), (352, 55980), (360, 54736), (384, 51315), (396, 49760), (440, 44784), (480, 41052), (495, 39808), (528, 37320), (576, 34210), (622, 31680), (640, 30789), (660, 29856), (704, 27990), (720, 27368), (792, 24880), (880, 22392), (933, 21120), (960, 20526), (990, 19904), (1056, 18660), (1152, 17105), (1244, 15840), (1320, 14928), (1408, 13995), (1440, 13684), (1555, 12672), (1584, 12440), (1760, 11196), (1866, 10560), (1920, 10263), (1980, 9952), (2112, 9330), (2488, 7920), (2640, 7464), (2799, 7040), (2880, 6842), (3110, 6336), (3168, 6220), (3421, 5760), (3520, 5598), (3732, 5280), (3960, 4976), (4224, 4665)]