51772320

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{229}}^1$

素因数の和:407

約数の個数: 144

約数和(自身を含む): 178574760

約数和(自身を除く): 126802440

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, 72, 80, 90, 96, 120, 144, 157, 160, 180, 229, 240, 288, 314, 360, 458, 471, 480, 628, 687, 720, 785, 916, 942, 1145, 1256, 1374, 1413, 1440, 1570, 1832, 1884, 2061, 2290, 2355, 2512, 2748, 2826, 3140, 3435, 3664, 3768, 4122, 4580, 4710, 5024, 5496, 5652, 6280, 6870, 7065, 7328, 7536, 8244, 9160, 9420, 10305, 10992, 11304, 12560, 13740, 14130, 15072, 16488, 18320, 18840, 20610, 21984, 22608, 25120, 27480, 28260, 32976, 35953, 36640, 37680, 41220, 45216, 54960, 56520, 65952, 71906, 75360, 82440, 107859, 109920, 113040, 143812, 164880, 179765, 215718, 226080, 287624, 323577, 329760, 359530, 431436, 539295, 575248, 647154, 719060, 862872, 1078590, 1150496, 1294308, 1438120, 1617885, 1725744, 2157180, 2588616, 2876240, 3235770, 3451488, 4314360, 5177232, 5752480, 6471540, 8628720, 10354464, 12943080, 17257440, 25886160, 51772320]

約数ペア:

[(1, 51772320), (2, 25886160), (3, 17257440), (4, 12943080), (5, 10354464), (6, 8628720), (8, 6471540), (9, 5752480), (10, 5177232), (12, 4314360), (15, 3451488), (16, 3235770), (18, 2876240), (20, 2588616), (24, 2157180), (30, 1725744), (32, 1617885), (36, 1438120), (40, 1294308), (45, 1150496), (48, 1078590), (60, 862872), (72, 719060), (80, 647154), (90, 575248), (96, 539295), (120, 431436), (144, 359530), (157, 329760), (160, 323577), (180, 287624), (229, 226080), (240, 215718), (288, 179765), (314, 164880), (360, 143812), (458, 113040), (471, 109920), (480, 107859), (628, 82440), (687, 75360), (720, 71906), (785, 65952), (916, 56520), (942, 54960), (1145, 45216), (1256, 41220), (1374, 37680), (1413, 36640), (1440, 35953), (1570, 32976), (1832, 28260), (1884, 27480), (2061, 25120), (2290, 22608), (2355, 21984), (2512, 20610), (2748, 18840), (2826, 18320), (3140, 16488), (3435, 15072), (3664, 14130), (3768, 13740), (4122, 12560), (4580, 11304), (4710, 10992), (5024, 10305), (5496, 9420), (5652, 9160), (6280, 8244), (6870, 7536), (7065, 7328)]