20139694560

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{128311}}^1$

素因数の和:128441

約数の個数: 144

約数和(自身を含む): 69357768480

約数和(自身を除く): 49218073920

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, 109, 120, 144, 160, 180, 218, 240, 288, 327, 360, 436, 480, 545, 654, 720, 872, 981, 1090, 1308, 1440, 1635, 1744, 1962, 2180, 2616, 3270, 3488, 3924, 4360, 4905, 5232, 6540, 7848, 8720, 9810, 10464, 13080, 15696, 17440, 19620, 26160, 31392, 39240, 52320, 78480, 128311, 156960, 256622, 384933, 513244, 641555, 769866, 1026488, 1154799, 1283110, 1539732, 1924665, 2052976, 2309598, 2566220, 3079464, 3849330, 4105952, 4619196, 5132440, 5773995, 6158928, 7698660, 9238392, 10264880, 11547990, 12317856, 13985899, 15397320, 18476784, 20529760, 23095980, 27971798, 30794640, 36953568, 41957697, 46191960, 55943596, 61589280, 69929495, 83915394, 92383920, 111887192, 125873091, 139858990, 167830788, 184767840, 209788485, 223774384, 251746182, 279717980, 335661576, 419576970, 447548768, 503492364, 559435960, 629365455, 671323152, 839153940, 1006984728, 1118871920, 1258730910, 1342646304, 1678307880, 2013969456, 2237743840, 2517461820, 3356615760, 4027938912, 5034923640, 6713231520, 10069847280, 20139694560]

約数ペア:

[(1, 20139694560), (2, 10069847280), (3, 6713231520), (4, 5034923640), (5, 4027938912), (6, 3356615760), (8, 2517461820), (9, 2237743840), (10, 2013969456), (12, 1678307880), (15, 1342646304), (16, 1258730910), (18, 1118871920), (20, 1006984728), (24, 839153940), (30, 671323152), (32, 629365455), (36, 559435960), (40, 503492364), (45, 447548768), (48, 419576970), (60, 335661576), (72, 279717980), (80, 251746182), (90, 223774384), (96, 209788485), (109, 184767840), (120, 167830788), (144, 139858990), (160, 125873091), (180, 111887192), (218, 92383920), (240, 83915394), (288, 69929495), (327, 61589280), (360, 55943596), (436, 46191960), (480, 41957697), (545, 36953568), (654, 30794640), (720, 27971798), (872, 23095980), (981, 20529760), (1090, 18476784), (1308, 15397320), (1440, 13985899), (1635, 12317856), (1744, 11547990), (1962, 10264880), (2180, 9238392), (2616, 7698660), (3270, 6158928), (3488, 5773995), (3924, 5132440), (4360, 4619196), (4905, 4105952), (5232, 3849330), (6540, 3079464), (7848, 2566220), (8720, 2309598), (9810, 2052976), (10464, 1924665), (13080, 1539732), (15696, 1283110), (17440, 1154799), (19620, 1026488), (26160, 769866), (31392, 641555), (39240, 513244), (52320, 384933), (78480, 256622), (128311, 156960)]