21728555280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{151651}}^1$

素因数の和:151869

約数の個数: 120

約数和(自身を含む): 73338907200

約数和(自身を除く): 51610351920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 199, 240, 360, 398, 597, 720, 796, 995, 1194, 1592, 1791, 1990, 2388, 2985, 3184, 3582, 3980, 4776, 5970, 7164, 7960, 8955, 9552, 11940, 14328, 15920, 17910, 23880, 28656, 35820, 47760, 71640, 143280, 151651, 303302, 454953, 606604, 758255, 909906, 1213208, 1364859, 1516510, 1819812, 2274765, 2426416, 2729718, 3033020, 3639624, 4549530, 5459436, 6066040, 6824295, 7279248, 9099060, 10918872, 12132080, 13648590, 18198120, 21837744, 27297180, 30178549, 36396240, 54594360, 60357098, 90535647, 109188720, 120714196, 150892745, 181071294, 241428392, 271606941, 301785490, 362142588, 452678235, 482856784, 543213882, 603570980, 724285176, 905356470, 1086427764, 1207141960, 1358034705, 1448570352, 1810712940, 2172855528, 2414283920, 2716069410, 3621425880, 4345711056, 5432138820, 7242851760, 10864277640, 21728555280]

約数ペア:

[(1, 21728555280), (2, 10864277640), (3, 7242851760), (4, 5432138820), (5, 4345711056), (6, 3621425880), (8, 2716069410), (9, 2414283920), (10, 2172855528), (12, 1810712940), (15, 1448570352), (16, 1358034705), (18, 1207141960), (20, 1086427764), (24, 905356470), (30, 724285176), (36, 603570980), (40, 543213882), (45, 482856784), (48, 452678235), (60, 362142588), (72, 301785490), (80, 271606941), (90, 241428392), (120, 181071294), (144, 150892745), (180, 120714196), (199, 109188720), (240, 90535647), (360, 60357098), (398, 54594360), (597, 36396240), (720, 30178549), (796, 27297180), (995, 21837744), (1194, 18198120), (1592, 13648590), (1791, 12132080), (1990, 10918872), (2388, 9099060), (2985, 7279248), (3184, 6824295), (3582, 6066040), (3980, 5459436), (4776, 4549530), (5970, 3639624), (7164, 3033020), (7960, 2729718), (8955, 2426416), (9552, 2274765), (11940, 1819812), (14328, 1516510), (15920, 1364859), (17910, 1213208), (23880, 909906), (28656, 758255), (35820, 606604), (47760, 454953), (71640, 303302), (143280, 151651)]