287383040

素因数分解:

$2^9\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{79}}^1$

素因数の和:145

約数の個数: 240

約数和(自身を含む): 839678400

約数和(自身を除く): 552295360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 32, 35, 40, 49, 56, 58, 64, 70, 79, 80, 98, 112, 116, 128, 140, 145, 158, 160, 196, 203, 224, 232, 245, 256, 280, 290, 316, 320, 392, 395, 406, 448, 464, 490, 512, 553, 560, 580, 632, 640, 784, 790, 812, 896, 928, 980, 1015, 1106, 1120, 1160, 1264, 1280, 1421, 1568, 1580, 1624, 1792, 1856, 1960, 2030, 2212, 2240, 2291, 2320, 2528, 2560, 2765, 2842, 3136, 3160, 3248, 3584, 3712, 3871, 3920, 4060, 4424, 4480, 4582, 4640, 5056, 5530, 5684, 6272, 6320, 6496, 7105, 7424, 7742, 7840, 8120, 8848, 8960, 9164, 9280, 10112, 11060, 11368, 11455, 12544, 12640, 12992, 14210, 14848, 15484, 15680, 16037, 16240, 17696, 17920, 18328, 18560, 19355, 20224, 22120, 22736, 22910, 25088, 25280, 25984, 28420, 30968, 31360, 32074, 32480, 35392, 36656, 37120, 38710, 40448, 44240, 45472, 45820, 50560, 51968, 56840, 61936, 62720, 64148, 64960, 70784, 73312, 74240, 77420, 80185, 88480, 90944, 91640, 101120, 103936, 112259, 113680, 123872, 125440, 128296, 129920, 141568, 146624, 154840, 160370, 176960, 181888, 183280, 202240, 224518, 227360, 247744, 256592, 259840, 283136, 293248, 309680, 320740, 353920, 363776, 366560, 449036, 454720, 495488, 513184, 519680, 561295, 586496, 619360, 641480, 707840, 727552, 733120, 898072, 909440, 990976, 1026368, 1122590, 1172992, 1238720, 1282960, 1415680, 1466240, 1796144, 1818880, 1981952, 2052736, 2245180, 2477440, 2565920, 2932480, 3592288, 3637760, 4105472, 4490360, 4954880, 5131840, 5864960, 7184576, 8210944, 8980720, 9909760, 10263680, 14369152, 17961440, 20527360, 28738304, 35922880, 41054720, 57476608, 71845760, 143691520, 287383040]

約数ペア:

[(1, 287383040), (2, 143691520), (4, 71845760), (5, 57476608), (7, 41054720), (8, 35922880), (10, 28738304), (14, 20527360), (16, 17961440), (20, 14369152), (28, 10263680), (29, 9909760), (32, 8980720), (35, 8210944), (40, 7184576), (49, 5864960), (56, 5131840), (58, 4954880), (64, 4490360), (70, 4105472), (79, 3637760), (80, 3592288), (98, 2932480), (112, 2565920), (116, 2477440), (128, 2245180), (140, 2052736), (145, 1981952), (158, 1818880), (160, 1796144), (196, 1466240), (203, 1415680), (224, 1282960), (232, 1238720), (245, 1172992), (256, 1122590), (280, 1026368), (290, 990976), (316, 909440), (320, 898072), (392, 733120), (395, 727552), (406, 707840), (448, 641480), (464, 619360), (490, 586496), (512, 561295), (553, 519680), (560, 513184), (580, 495488), (632, 454720), (640, 449036), (784, 366560), (790, 363776), (812, 353920), (896, 320740), (928, 309680), (980, 293248), (1015, 283136), (1106, 259840), (1120, 256592), (1160, 247744), (1264, 227360), (1280, 224518), (1421, 202240), (1568, 183280), (1580, 181888), (1624, 176960), (1792, 160370), (1856, 154840), (1960, 146624), (2030, 141568), (2212, 129920), (2240, 128296), (2291, 125440), (2320, 123872), (2528, 113680), (2560, 112259), (2765, 103936), (2842, 101120), (3136, 91640), (3160, 90944), (3248, 88480), (3584, 80185), (3712, 77420), (3871, 74240), (3920, 73312), (4060, 70784), (4424, 64960), (4480, 64148), (4582, 62720), (4640, 61936), (5056, 56840), (5530, 51968), (5684, 50560), (6272, 45820), (6320, 45472), (6496, 44240), (7105, 40448), (7424, 38710), (7742, 37120), (7840, 36656), (8120, 35392), (8848, 32480), (8960, 32074), (9164, 31360), (9280, 30968), (10112, 28420), (11060, 25984), (11368, 25280), (11455, 25088), (12544, 22910), (12640, 22736), (12992, 22120), (14210, 20224), (14848, 19355), (15484, 18560), (15680, 18328), (16037, 17920), (16240, 17696)]