79869920

素因数分解:

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

素因数の和:137

約数の個数: 192

約数和(自身を含む): 223534080

約数和(自身を除く): 143664160

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 32, 38, 40, 43, 47, 52, 65, 76, 80, 86, 94, 95, 104, 130, 152, 160, 172, 188, 190, 208, 215, 235, 247, 260, 304, 344, 376, 380, 416, 430, 470, 494, 520, 559, 608, 611, 688, 752, 760, 817, 860, 893, 940, 988, 1040, 1118, 1222, 1235, 1376, 1504, 1520, 1634, 1720, 1786, 1880, 1976, 2021, 2080, 2236, 2444, 2470, 2795, 3040, 3055, 3268, 3440, 3572, 3760, 3952, 4042, 4085, 4465, 4472, 4888, 4940, 5590, 6110, 6536, 6880, 7144, 7520, 7904, 8084, 8170, 8930, 8944, 9776, 9880, 10105, 10621, 11180, 11609, 12220, 13072, 14288, 16168, 16340, 17860, 17888, 19552, 19760, 20210, 21242, 22360, 23218, 24440, 26144, 26273, 28576, 32336, 32680, 35720, 38399, 39520, 40420, 42484, 44720, 46436, 48880, 52546, 53105, 58045, 64672, 65360, 71440, 76798, 80840, 84968, 89440, 92872, 97760, 105092, 106210, 116090, 130720, 131365, 142880, 153596, 161680, 169936, 185744, 191995, 210184, 212420, 232180, 262730, 307192, 323360, 339872, 371488, 383990, 420368, 424840, 464360, 499187, 525460, 614384, 767980, 840736, 849680, 928720, 998374, 1050920, 1228768, 1535960, 1699360, 1857440, 1996748, 2101840, 2495935, 3071920, 3993496, 4203680, 4991870, 6143840, 7986992, 9983740, 15973984, 19967480, 39934960, 79869920]

約数ペア:

[(1, 79869920), (2, 39934960), (4, 19967480), (5, 15973984), (8, 9983740), (10, 7986992), (13, 6143840), (16, 4991870), (19, 4203680), (20, 3993496), (26, 3071920), (32, 2495935), (38, 2101840), (40, 1996748), (43, 1857440), (47, 1699360), (52, 1535960), (65, 1228768), (76, 1050920), (80, 998374), (86, 928720), (94, 849680), (95, 840736), (104, 767980), (130, 614384), (152, 525460), (160, 499187), (172, 464360), (188, 424840), (190, 420368), (208, 383990), (215, 371488), (235, 339872), (247, 323360), (260, 307192), (304, 262730), (344, 232180), (376, 212420), (380, 210184), (416, 191995), (430, 185744), (470, 169936), (494, 161680), (520, 153596), (559, 142880), (608, 131365), (611, 130720), (688, 116090), (752, 106210), (760, 105092), (817, 97760), (860, 92872), (893, 89440), (940, 84968), (988, 80840), (1040, 76798), (1118, 71440), (1222, 65360), (1235, 64672), (1376, 58045), (1504, 53105), (1520, 52546), (1634, 48880), (1720, 46436), (1786, 44720), (1880, 42484), (1976, 40420), (2021, 39520), (2080, 38399), (2236, 35720), (2444, 32680), (2470, 32336), (2795, 28576), (3040, 26273), (3055, 26144), (3268, 24440), (3440, 23218), (3572, 22360), (3760, 21242), (3952, 20210), (4042, 19760), (4085, 19552), (4465, 17888), (4472, 17860), (4888, 16340), (4940, 16168), (5590, 14288), (6110, 13072), (6536, 12220), (6880, 11609), (7144, 11180), (7520, 10621), (7904, 10105), (8084, 9880), (8170, 9776), (8930, 8944)]