1997577920

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{199}}^1$

素因数の和:375

約数の個数: 224

約数和(自身を含む): 5462016000

約数和(自身を除く): 3464438080

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 32, 38, 40, 52, 64, 65, 76, 80, 95, 104, 127, 130, 152, 160, 190, 199, 208, 247, 254, 260, 304, 320, 380, 398, 416, 494, 508, 520, 608, 635, 760, 796, 832, 988, 995, 1016, 1040, 1216, 1235, 1270, 1520, 1592, 1651, 1976, 1990, 2032, 2080, 2413, 2470, 2540, 2587, 3040, 3184, 3302, 3781, 3952, 3980, 4064, 4160, 4826, 4940, 5080, 5174, 6080, 6368, 6604, 7562, 7904, 7960, 8128, 8255, 9652, 9880, 10160, 10348, 12065, 12736, 12935, 13208, 15124, 15808, 15920, 16510, 18905, 19304, 19760, 20320, 20696, 24130, 25273, 25870, 26416, 30248, 31369, 31840, 33020, 37810, 38608, 39520, 40640, 41392, 48260, 49153, 50546, 51740, 52832, 60496, 62738, 63680, 66040, 75620, 77216, 79040, 82784, 96520, 98306, 101092, 103480, 105664, 120992, 125476, 126365, 132080, 151240, 154432, 156845, 165568, 193040, 196612, 202184, 206960, 241984, 245765, 250952, 252730, 264160, 302480, 313690, 328549, 386080, 393224, 404368, 413920, 480187, 491530, 501904, 505460, 528320, 604960, 627380, 657098, 772160, 786448, 808736, 827840, 960374, 983060, 1003808, 1010920, 1209920, 1254760, 1314196, 1572896, 1617472, 1642745, 1920748, 1966120, 2007616, 2021840, 2400935, 2509520, 2628392, 3145792, 3285490, 3841496, 3932240, 4043680, 4801870, 5019040, 5256784, 6242431, 6570980, 7682992, 7864480, 8087360, 9603740, 10038080, 10513568, 12484862, 13141960, 15365984, 15728960, 19207480, 21027136, 24969724, 26283920, 30731968, 31212155, 38414960, 49939448, 52567840, 62424310, 76829920, 99878896, 105135680, 124848620, 153659840, 199757792, 249697240, 399515584, 499394480, 998788960, 1997577920]

約数ペア:

[(1, 1997577920), (2, 998788960), (4, 499394480), (5, 399515584), (8, 249697240), (10, 199757792), (13, 153659840), (16, 124848620), (19, 105135680), (20, 99878896), (26, 76829920), (32, 62424310), (38, 52567840), (40, 49939448), (52, 38414960), (64, 31212155), (65, 30731968), (76, 26283920), (80, 24969724), (95, 21027136), (104, 19207480), (127, 15728960), (130, 15365984), (152, 13141960), (160, 12484862), (190, 10513568), (199, 10038080), (208, 9603740), (247, 8087360), (254, 7864480), (260, 7682992), (304, 6570980), (320, 6242431), (380, 5256784), (398, 5019040), (416, 4801870), (494, 4043680), (508, 3932240), (520, 3841496), (608, 3285490), (635, 3145792), (760, 2628392), (796, 2509520), (832, 2400935), (988, 2021840), (995, 2007616), (1016, 1966120), (1040, 1920748), (1216, 1642745), (1235, 1617472), (1270, 1572896), (1520, 1314196), (1592, 1254760), (1651, 1209920), (1976, 1010920), (1990, 1003808), (2032, 983060), (2080, 960374), (2413, 827840), (2470, 808736), (2540, 786448), (2587, 772160), (3040, 657098), (3184, 627380), (3302, 604960), (3781, 528320), (3952, 505460), (3980, 501904), (4064, 491530), (4160, 480187), (4826, 413920), (4940, 404368), (5080, 393224), (5174, 386080), (6080, 328549), (6368, 313690), (6604, 302480), (7562, 264160), (7904, 252730), (7960, 250952), (8128, 245765), (8255, 241984), (9652, 206960), (9880, 202184), (10160, 196612), (10348, 193040), (12065, 165568), (12736, 156845), (12935, 154432), (13208, 151240), (15124, 132080), (15808, 126365), (15920, 125476), (16510, 120992), (18905, 105664), (19304, 103480), (19760, 101092), (20320, 98306), (20696, 96520), (24130, 82784), (25273, 79040), (25870, 77216), (26416, 75620), (30248, 66040), (31369, 63680), (31840, 62738), (33020, 60496), (37810, 52832), (38608, 51740), (39520, 50546), (40640, 49153), (41392, 48260)]