319479680

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:141

約数の個数: 256

約数和(自身を含む): 904780800

約数和(自身を除く): 585301120

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 32, 38, 40, 43, 47, 52, 64, 65, 76, 80, 86, 94, 95, 104, 128, 130, 152, 160, 172, 188, 190, 208, 215, 235, 247, 260, 304, 320, 344, 376, 380, 416, 430, 470, 494, 520, 559, 608, 611, 640, 688, 752, 760, 817, 832, 860, 893, 940, 988, 1040, 1118, 1216, 1222, 1235, 1376, 1504, 1520, 1634, 1664, 1720, 1786, 1880, 1976, 2021, 2080, 2236, 2432, 2444, 2470, 2752, 2795, 3008, 3040, 3055, 3268, 3440, 3572, 3760, 3952, 4042, 4085, 4160, 4465, 4472, 4888, 4940, 5504, 5590, 6016, 6080, 6110, 6536, 6880, 7144, 7520, 7904, 8084, 8170, 8320, 8930, 8944, 9776, 9880, 10105, 10621, 11180, 11609, 12160, 12220, 13072, 13760, 14288, 15040, 15808, 16168, 16340, 17860, 17888, 19552, 19760, 20210, 21242, 22360, 23218, 24440, 26144, 26273, 27520, 28576, 30080, 31616, 32336, 32680, 35720, 35776, 38399, 39104, 39520, 40420, 42484, 44720, 46436, 48880, 52288, 52546, 53105, 57152, 58045, 64672, 65360, 71440, 71552, 76798, 78208, 79040, 80840, 84968, 89440, 92872, 97760, 104576, 105092, 106210, 114304, 116090, 129344, 130720, 131365, 142880, 153596, 158080, 161680, 169936, 178880, 185744, 191995, 195520, 210184, 212420, 232180, 258688, 261440, 262730, 285760, 307192, 323360, 339872, 357760, 371488, 383990, 391040, 420368, 424840, 464360, 499187, 522880, 525460, 571520, 614384, 646720, 679744, 742976, 767980, 840736, 849680, 928720, 998374, 1050920, 1228768, 1293440, 1359488, 1485952, 1535960, 1681472, 1699360, 1857440, 1996748, 2101840, 2457536, 2495935, 3071920, 3362944, 3398720, 3714880, 3993496, 4203680, 4915072, 4991870, 6143840, 6797440, 7429760, 7986992, 8407360, 9983740, 12287680, 15973984, 16814720, 19967480, 24575360, 31947968, 39934960, 63895936, 79869920, 159739840, 319479680]

約数ペア:

[(1, 319479680), (2, 159739840), (4, 79869920), (5, 63895936), (8, 39934960), (10, 31947968), (13, 24575360), (16, 19967480), (19, 16814720), (20, 15973984), (26, 12287680), (32, 9983740), (38, 8407360), (40, 7986992), (43, 7429760), (47, 6797440), (52, 6143840), (64, 4991870), (65, 4915072), (76, 4203680), (80, 3993496), (86, 3714880), (94, 3398720), (95, 3362944), (104, 3071920), (128, 2495935), (130, 2457536), (152, 2101840), (160, 1996748), (172, 1857440), (188, 1699360), (190, 1681472), (208, 1535960), (215, 1485952), (235, 1359488), (247, 1293440), (260, 1228768), (304, 1050920), (320, 998374), (344, 928720), (376, 849680), (380, 840736), (416, 767980), (430, 742976), (470, 679744), (494, 646720), (520, 614384), (559, 571520), (608, 525460), (611, 522880), (640, 499187), (688, 464360), (752, 424840), (760, 420368), (817, 391040), (832, 383990), (860, 371488), (893, 357760), (940, 339872), (988, 323360), (1040, 307192), (1118, 285760), (1216, 262730), (1222, 261440), (1235, 258688), (1376, 232180), (1504, 212420), (1520, 210184), (1634, 195520), (1664, 191995), (1720, 185744), (1786, 178880), (1880, 169936), (1976, 161680), (2021, 158080), (2080, 153596), (2236, 142880), (2432, 131365), (2444, 130720), (2470, 129344), (2752, 116090), (2795, 114304), (3008, 106210), (3040, 105092), (3055, 104576), (3268, 97760), (3440, 92872), (3572, 89440), (3760, 84968), (3952, 80840), (4042, 79040), (4085, 78208), (4160, 76798), (4465, 71552), (4472, 71440), (4888, 65360), (4940, 64672), (5504, 58045), (5590, 57152), (6016, 53105), (6080, 52546), (6110, 52288), (6536, 48880), (6880, 46436), (7144, 44720), (7520, 42484), (7904, 40420), (8084, 39520), (8170, 39104), (8320, 38399), (8930, 35776), (8944, 35720), (9776, 32680), (9880, 32336), (10105, 31616), (10621, 30080), (11180, 28576), (11609, 27520), (12160, 26273), (12220, 26144), (13072, 24440), (13760, 23218), (14288, 22360), (15040, 21242), (15808, 20210), (16168, 19760), (16340, 19552), (17860, 17888)]