251619840

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{163}}^1$

素因数の和:259

約数の個数: 240

約数和(自身を含む): 889862688

約数和(自身を除く): 638242848

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, 67, 72, 80, 90, 96, 120, 128, 134, 144, 160, 163, 180, 192, 201, 240, 256, 268, 288, 320, 326, 335, 360, 384, 402, 480, 489, 512, 536, 576, 603, 640, 652, 670, 720, 768, 804, 815, 960, 978, 1005, 1072, 1152, 1206, 1280, 1304, 1340, 1440, 1467, 1536, 1608, 1630, 1920, 1956, 2010, 2144, 2304, 2412, 2445, 2560, 2608, 2680, 2880, 2934, 3015, 3216, 3260, 3840, 3912, 4020, 4288, 4608, 4824, 4890, 5216, 5360, 5760, 5868, 6030, 6432, 6520, 7335, 7680, 7824, 8040, 8576, 9648, 9780, 10432, 10720, 10921, 11520, 11736, 12060, 12864, 13040, 14670, 15648, 16080, 17152, 19296, 19560, 20864, 21440, 21842, 23040, 23472, 24120, 25728, 26080, 29340, 31296, 32160, 32763, 34304, 38592, 39120, 41728, 42880, 43684, 46944, 48240, 51456, 52160, 54605, 58680, 62592, 64320, 65526, 77184, 78240, 83456, 85760, 87368, 93888, 96480, 98289, 102912, 104320, 109210, 117360, 125184, 128640, 131052, 154368, 156480, 163815, 171520, 174736, 187776, 192960, 196578, 208640, 218420, 234720, 250368, 257280, 262104, 308736, 312960, 327630, 349472, 375552, 385920, 393156, 417280, 436840, 469440, 491445, 514560, 524208, 625920, 655260, 698944, 751104, 771840, 786312, 873680, 938880, 982890, 1048416, 1251840, 1310520, 1397888, 1543680, 1572624, 1747360, 1877760, 1965780, 2096832, 2621040, 2795776, 3145248, 3494720, 3755520, 3931560, 4193664, 5242080, 5591552, 6290496, 6989440, 7863120, 8387328, 10484160, 12580992, 13978880, 15726240, 16774656, 20968320, 25161984, 27957760, 31452480, 41936640, 50323968, 62904960, 83873280, 125809920, 251619840]

約数ペア:

[(1, 251619840), (2, 125809920), (3, 83873280), (4, 62904960), (5, 50323968), (6, 41936640), (8, 31452480), (9, 27957760), (10, 25161984), (12, 20968320), (15, 16774656), (16, 15726240), (18, 13978880), (20, 12580992), (24, 10484160), (30, 8387328), (32, 7863120), (36, 6989440), (40, 6290496), (45, 5591552), (48, 5242080), (60, 4193664), (64, 3931560), (67, 3755520), (72, 3494720), (80, 3145248), (90, 2795776), (96, 2621040), (120, 2096832), (128, 1965780), (134, 1877760), (144, 1747360), (160, 1572624), (163, 1543680), (180, 1397888), (192, 1310520), (201, 1251840), (240, 1048416), (256, 982890), (268, 938880), (288, 873680), (320, 786312), (326, 771840), (335, 751104), (360, 698944), (384, 655260), (402, 625920), (480, 524208), (489, 514560), (512, 491445), (536, 469440), (576, 436840), (603, 417280), (640, 393156), (652, 385920), (670, 375552), (720, 349472), (768, 327630), (804, 312960), (815, 308736), (960, 262104), (978, 257280), (1005, 250368), (1072, 234720), (1152, 218420), (1206, 208640), (1280, 196578), (1304, 192960), (1340, 187776), (1440, 174736), (1467, 171520), (1536, 163815), (1608, 156480), (1630, 154368), (1920, 131052), (1956, 128640), (2010, 125184), (2144, 117360), (2304, 109210), (2412, 104320), (2445, 102912), (2560, 98289), (2608, 96480), (2680, 93888), (2880, 87368), (2934, 85760), (3015, 83456), (3216, 78240), (3260, 77184), (3840, 65526), (3912, 64320), (4020, 62592), (4288, 58680), (4608, 54605), (4824, 52160), (4890, 51456), (5216, 48240), (5360, 46944), (5760, 43684), (5868, 42880), (6030, 41728), (6432, 39120), (6520, 38592), (7335, 34304), (7680, 32763), (7824, 32160), (8040, 31296), (8576, 29340), (9648, 26080), (9780, 25728), (10432, 24120), (10720, 23472), (10921, 23040), (11520, 21842), (11736, 21440), (12060, 20864), (12864, 19560), (13040, 19296), (14670, 17152), (15648, 16080)]