21009185280

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{853}}^1\times {\mathrm{1069}}^1$

素因数の和:1951

約数の個数: 240

約数和(自身を含む): 72914161320

約数和(自身を除く): 51904976040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 256, 288, 320, 360, 384, 480, 512, 576, 640, 720, 768, 853, 960, 1069, 1152, 1280, 1440, 1536, 1706, 1920, 2138, 2304, 2559, 2560, 2880, 3207, 3412, 3840, 4265, 4276, 4608, 5118, 5345, 5760, 6414, 6824, 7677, 7680, 8530, 8552, 9621, 10236, 10690, 11520, 12795, 12828, 13648, 15354, 16035, 17060, 17104, 19242, 20472, 21380, 23040, 25590, 25656, 27296, 30708, 32070, 34120, 34208, 38385, 38484, 40944, 42760, 48105, 51180, 51312, 54592, 61416, 64140, 68240, 68416, 76770, 76968, 81888, 85520, 96210, 102360, 102624, 109184, 122832, 128280, 136480, 136832, 153540, 153936, 163776, 171040, 192420, 204720, 205248, 218368, 245664, 256560, 272960, 273664, 307080, 307872, 327552, 342080, 384840, 409440, 410496, 436736, 491328, 513120, 545920, 547328, 614160, 615744, 655104, 684160, 769680, 818880, 820992, 911857, 982656, 1026240, 1091840, 1228320, 1231488, 1310208, 1368320, 1539360, 1637760, 1641984, 1823714, 1965312, 2052480, 2183680, 2456640, 2462976, 2735571, 2736640, 3078720, 3275520, 3647428, 3930624, 4104960, 4559285, 4913280, 4925952, 5471142, 6157440, 6551040, 7294856, 8206713, 8209920, 9118570, 9826560, 10942284, 12314880, 13677855, 14589712, 16413426, 18237140, 19653120, 21884568, 24629760, 27355710, 29179424, 32826852, 36474280, 41033565, 43769136, 54711420, 58358848, 65653704, 72948560, 82067130, 87538272, 109422840, 116717696, 131307408, 145897120, 164134260, 175076544, 218845680, 233435392, 262614816, 291794240, 328268520, 350153088, 437691360, 466870784, 525229632, 583588480, 656537040, 700306176, 875382720, 1050459264, 1167176960, 1313074080, 1400612352, 1750765440, 2100918528, 2334353920, 2626148160, 3501530880, 4201837056, 5252296320, 7003061760, 10504592640, 21009185280]

約数ペア:

[(1, 21009185280), (2, 10504592640), (3, 7003061760), (4, 5252296320), (5, 4201837056), (6, 3501530880), (8, 2626148160), (9, 2334353920), (10, 2100918528), (12, 1750765440), (15, 1400612352), (16, 1313074080), (18, 1167176960), (20, 1050459264), (24, 875382720), (30, 700306176), (32, 656537040), (36, 583588480), (40, 525229632), (45, 466870784), (48, 437691360), (60, 350153088), (64, 328268520), (72, 291794240), (80, 262614816), (90, 233435392), (96, 218845680), (120, 175076544), (128, 164134260), (144, 145897120), (160, 131307408), (180, 116717696), (192, 109422840), (240, 87538272), (256, 82067130), (288, 72948560), (320, 65653704), (360, 58358848), (384, 54711420), (480, 43769136), (512, 41033565), (576, 36474280), (640, 32826852), (720, 29179424), (768, 27355710), (853, 24629760), (960, 21884568), (1069, 19653120), (1152, 18237140), (1280, 16413426), (1440, 14589712), (1536, 13677855), (1706, 12314880), (1920, 10942284), (2138, 9826560), (2304, 9118570), (2559, 8209920), (2560, 8206713), (2880, 7294856), (3207, 6551040), (3412, 6157440), (3840, 5471142), (4265, 4925952), (4276, 4913280), (4608, 4559285), (5118, 4104960), (5345, 3930624), (5760, 3647428), (6414, 3275520), (6824, 3078720), (7677, 2736640), (7680, 2735571), (8530, 2462976), (8552, 2456640), (9621, 2183680), (10236, 2052480), (10690, 1965312), (11520, 1823714), (12795, 1641984), (12828, 1637760), (13648, 1539360), (15354, 1368320), (16035, 1310208), (17060, 1231488), (17104, 1228320), (19242, 1091840), (20472, 1026240), (21380, 982656), (23040, 911857), (25590, 820992), (25656, 818880), (27296, 769680), (30708, 684160), (32070, 655104), (34120, 615744), (34208, 614160), (38385, 547328), (38484, 545920), (40944, 513120), (42760, 491328), (48105, 436736), (51180, 410496), (51312, 409440), (54592, 384840), (61416, 342080), (64140, 327552), (68240, 307872), (68416, 307080), (76770, 273664), (76968, 272960), (81888, 256560), (85520, 245664), (96210, 218368), (102360, 205248), (102624, 204720), (109184, 192420), (122832, 171040), (128280, 163776), (136480, 153936), (136832, 153540)]