1223165440

素因数分解:

$2^9\times 5^1\times 7^4\times {\mathrm{199}}^1$

素因数の和:250

約数の個数: 200

約数和(自身を含む): 3438507600

約数和(自身を除く): 2215342160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 199, 224, 245, 256, 280, 320, 343, 392, 398, 448, 490, 512, 560, 640, 686, 784, 796, 896, 980, 995, 1120, 1280, 1372, 1393, 1568, 1592, 1715, 1792, 1960, 1990, 2240, 2401, 2560, 2744, 2786, 3136, 3184, 3430, 3584, 3920, 3980, 4480, 4802, 5488, 5572, 6272, 6368, 6860, 6965, 7840, 7960, 8960, 9604, 9751, 10976, 11144, 12005, 12544, 12736, 13720, 13930, 15680, 15920, 17920, 19208, 19502, 21952, 22288, 24010, 25088, 25472, 27440, 27860, 31360, 31840, 38416, 39004, 43904, 44576, 48020, 48755, 50944, 54880, 55720, 62720, 63680, 68257, 76832, 78008, 87808, 89152, 96040, 97510, 101888, 109760, 111440, 125440, 127360, 136514, 153664, 156016, 175616, 178304, 192080, 195020, 219520, 222880, 254720, 273028, 307328, 312032, 341285, 356608, 384160, 390040, 439040, 445760, 477799, 509440, 546056, 614656, 624064, 682570, 713216, 768320, 780080, 878080, 891520, 955598, 1092112, 1229312, 1248128, 1365140, 1536640, 1560160, 1783040, 1911196, 2184224, 2388995, 2496256, 2730280, 3073280, 3120320, 3566080, 3822392, 4368448, 4777990, 4992512, 5460560, 6146560, 6240640, 7644784, 8736896, 9555980, 10921120, 12481280, 15289568, 17473792, 19111960, 21842240, 24962560, 30579136, 34947584, 38223920, 43684480, 61158272, 76447840, 87368960, 122316544, 152895680, 174737920, 244633088, 305791360, 611582720, 1223165440]

約数ペア:

[(1, 1223165440), (2, 611582720), (4, 305791360), (5, 244633088), (7, 174737920), (8, 152895680), (10, 122316544), (14, 87368960), (16, 76447840), (20, 61158272), (28, 43684480), (32, 38223920), (35, 34947584), (40, 30579136), (49, 24962560), (56, 21842240), (64, 19111960), (70, 17473792), (80, 15289568), (98, 12481280), (112, 10921120), (128, 9555980), (140, 8736896), (160, 7644784), (196, 6240640), (199, 6146560), (224, 5460560), (245, 4992512), (256, 4777990), (280, 4368448), (320, 3822392), (343, 3566080), (392, 3120320), (398, 3073280), (448, 2730280), (490, 2496256), (512, 2388995), (560, 2184224), (640, 1911196), (686, 1783040), (784, 1560160), (796, 1536640), (896, 1365140), (980, 1248128), (995, 1229312), (1120, 1092112), (1280, 955598), (1372, 891520), (1393, 878080), (1568, 780080), (1592, 768320), (1715, 713216), (1792, 682570), (1960, 624064), (1990, 614656), (2240, 546056), (2401, 509440), (2560, 477799), (2744, 445760), (2786, 439040), (3136, 390040), (3184, 384160), (3430, 356608), (3584, 341285), (3920, 312032), (3980, 307328), (4480, 273028), (4802, 254720), (5488, 222880), (5572, 219520), (6272, 195020), (6368, 192080), (6860, 178304), (6965, 175616), (7840, 156016), (7960, 153664), (8960, 136514), (9604, 127360), (9751, 125440), (10976, 111440), (11144, 109760), (12005, 101888), (12544, 97510), (12736, 96040), (13720, 89152), (13930, 87808), (15680, 78008), (15920, 76832), (17920, 68257), (19208, 63680), (19502, 62720), (21952, 55720), (22288, 54880), (24010, 50944), (25088, 48755), (25472, 48020), (27440, 44576), (27860, 43904), (31360, 39004), (31840, 38416)]