661274880

素因数分解:

$2^8\times 3^1\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{337}}^1$

素因数の和:441

約数の個数: 288

約数和(自身を含む): 2453977344

約数和(自身を除く): 1792702464

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 73, 80, 84, 96, 105, 112, 120, 128, 140, 146, 160, 168, 192, 210, 219, 224, 240, 256, 280, 292, 320, 336, 337, 365, 384, 420, 438, 448, 480, 511, 560, 584, 640, 672, 674, 730, 768, 840, 876, 896, 960, 1011, 1022, 1095, 1120, 1168, 1280, 1344, 1348, 1460, 1533, 1680, 1685, 1752, 1792, 1920, 2022, 2044, 2190, 2240, 2336, 2359, 2555, 2688, 2696, 2920, 3066, 3360, 3370, 3504, 3840, 4044, 4088, 4380, 4480, 4672, 4718, 5055, 5110, 5376, 5392, 5840, 6132, 6720, 6740, 7008, 7077, 7665, 8088, 8176, 8760, 8960, 9344, 9436, 10110, 10220, 10784, 11680, 11795, 12264, 13440, 13480, 14016, 14154, 15330, 16176, 16352, 17520, 18688, 18872, 20220, 20440, 21568, 23360, 23590, 24528, 24601, 26880, 26960, 28032, 28308, 30660, 32352, 32704, 35040, 35385, 37744, 40440, 40880, 43136, 46720, 47180, 49056, 49202, 53920, 56064, 56616, 61320, 64704, 65408, 70080, 70770, 73803, 75488, 80880, 81760, 86272, 93440, 94360, 98112, 98404, 107840, 113232, 122640, 123005, 129408, 130816, 140160, 141540, 147606, 150976, 161760, 163520, 172207, 188720, 196224, 196808, 215680, 226464, 245280, 246010, 258816, 280320, 283080, 295212, 301952, 323520, 327040, 344414, 369015, 377440, 392448, 393616, 431360, 452928, 490560, 492020, 516621, 566160, 590424, 603904, 647040, 654080, 688828, 738030, 754880, 787232, 861035, 905856, 981120, 984040, 1033242, 1132320, 1180848, 1294080, 1377656, 1476060, 1509760, 1574464, 1722070, 1811712, 1962240, 1968080, 2066484, 2264640, 2361696, 2583105, 2755312, 2952120, 3019520, 3148928, 3444140, 3936160, 4132968, 4529280, 4723392, 5166210, 5510624, 5904240, 6297856, 6888280, 7872320, 8265936, 9058560, 9446784, 10332420, 11021248, 11808480, 13776560, 15744640, 16531872, 18893568, 20664840, 22042496, 23616960, 27553120, 31489280, 33063744, 41329680, 44084992, 47233920, 55106240, 66127488, 82659360, 94467840, 110212480, 132254976, 165318720, 220424960, 330637440, 661274880]

約数ペア:

[(1, 661274880), (2, 330637440), (3, 220424960), (4, 165318720), (5, 132254976), (6, 110212480), (7, 94467840), (8, 82659360), (10, 66127488), (12, 55106240), (14, 47233920), (15, 44084992), (16, 41329680), (20, 33063744), (21, 31489280), (24, 27553120), (28, 23616960), (30, 22042496), (32, 20664840), (35, 18893568), (40, 16531872), (42, 15744640), (48, 13776560), (56, 11808480), (60, 11021248), (64, 10332420), (70, 9446784), (73, 9058560), (80, 8265936), (84, 7872320), (96, 6888280), (105, 6297856), (112, 5904240), (120, 5510624), (128, 5166210), (140, 4723392), (146, 4529280), (160, 4132968), (168, 3936160), (192, 3444140), (210, 3148928), (219, 3019520), (224, 2952120), (240, 2755312), (256, 2583105), (280, 2361696), (292, 2264640), (320, 2066484), (336, 1968080), (337, 1962240), (365, 1811712), (384, 1722070), (420, 1574464), (438, 1509760), (448, 1476060), (480, 1377656), (511, 1294080), (560, 1180848), (584, 1132320), (640, 1033242), (672, 984040), (674, 981120), (730, 905856), (768, 861035), (840, 787232), (876, 754880), (896, 738030), (960, 688828), (1011, 654080), (1022, 647040), (1095, 603904), (1120, 590424), (1168, 566160), (1280, 516621), (1344, 492020), (1348, 490560), (1460, 452928), (1533, 431360), (1680, 393616), (1685, 392448), (1752, 377440), (1792, 369015), (1920, 344414), (2022, 327040), (2044, 323520), (2190, 301952), (2240, 295212), (2336, 283080), (2359, 280320), (2555, 258816), (2688, 246010), (2696, 245280), (2920, 226464), (3066, 215680), (3360, 196808), (3370, 196224), (3504, 188720), (3840, 172207), (4044, 163520), (4088, 161760), (4380, 150976), (4480, 147606), (4672, 141540), (4718, 140160), (5055, 130816), (5110, 129408), (5376, 123005), (5392, 122640), (5840, 113232), (6132, 107840), (6720, 98404), (6740, 98112), (7008, 94360), (7077, 93440), (7665, 86272), (8088, 81760), (8176, 80880), (8760, 75488), (8960, 73803), (9344, 70770), (9436, 70080), (10110, 65408), (10220, 64704), (10784, 61320), (11680, 56616), (11795, 56064), (12264, 53920), (13440, 49202), (13480, 49056), (14016, 47180), (14154, 46720), (15330, 43136), (16176, 40880), (16352, 40440), (17520, 37744), (18688, 35385), (18872, 35040), (20220, 32704), (20440, 32352), (21568, 30660), (23360, 28308), (23590, 28032), (24528, 26960), (24601, 26880)]