643981440

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{139}}^1$

素因数の和:307

約数の個数: 256

約数和(自身を含む): 2193408000

約数和(自身を除く): 1549426560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 32, 38, 40, 48, 57, 60, 64, 76, 80, 95, 96, 114, 120, 127, 128, 139, 152, 160, 190, 192, 228, 240, 254, 278, 285, 304, 320, 380, 381, 384, 417, 456, 480, 508, 556, 570, 608, 635, 640, 695, 760, 762, 834, 912, 960, 1016, 1112, 1140, 1216, 1270, 1390, 1520, 1524, 1668, 1824, 1905, 1920, 2032, 2085, 2224, 2280, 2413, 2432, 2540, 2641, 2780, 3040, 3048, 3336, 3648, 3810, 4064, 4170, 4448, 4560, 4826, 5080, 5282, 5560, 6080, 6096, 6672, 7239, 7296, 7620, 7923, 8128, 8340, 8896, 9120, 9652, 10160, 10564, 11120, 12065, 12160, 12192, 13205, 13344, 14478, 15240, 15846, 16256, 16680, 17653, 17792, 18240, 19304, 20320, 21128, 22240, 24130, 24384, 26410, 26688, 28956, 30480, 31692, 33360, 35306, 36195, 36480, 38608, 39615, 40640, 42256, 44480, 48260, 48768, 52820, 52959, 53376, 57912, 60960, 63384, 66720, 70612, 72390, 77216, 79230, 81280, 84512, 88265, 88960, 96520, 105640, 105918, 115824, 121920, 126768, 133440, 141224, 144780, 154432, 158460, 169024, 176530, 193040, 211280, 211836, 231648, 243840, 253536, 264795, 266880, 282448, 289560, 308864, 316920, 335407, 338048, 353060, 386080, 422560, 423672, 463296, 507072, 529590, 564896, 579120, 633840, 670814, 706120, 772160, 845120, 847344, 926592, 1006221, 1014144, 1059180, 1129792, 1158240, 1267680, 1341628, 1412240, 1544320, 1677035, 1690240, 1694688, 2012442, 2118360, 2259584, 2316480, 2535360, 2683256, 2824480, 3354070, 3389376, 4024884, 4236720, 4632960, 5031105, 5070720, 5366512, 5648960, 6708140, 6778752, 8049768, 8473440, 10062210, 10733024, 11297920, 13416280, 16099536, 16946880, 20124420, 21466048, 26832560, 32199072, 33893760, 40248840, 42932096, 53665120, 64398144, 80497680, 107330240, 128796288, 160995360, 214660480, 321990720, 643981440]

約数ペア:

[(1, 643981440), (2, 321990720), (3, 214660480), (4, 160995360), (5, 128796288), (6, 107330240), (8, 80497680), (10, 64398144), (12, 53665120), (15, 42932096), (16, 40248840), (19, 33893760), (20, 32199072), (24, 26832560), (30, 21466048), (32, 20124420), (38, 16946880), (40, 16099536), (48, 13416280), (57, 11297920), (60, 10733024), (64, 10062210), (76, 8473440), (80, 8049768), (95, 6778752), (96, 6708140), (114, 5648960), (120, 5366512), (127, 5070720), (128, 5031105), (139, 4632960), (152, 4236720), (160, 4024884), (190, 3389376), (192, 3354070), (228, 2824480), (240, 2683256), (254, 2535360), (278, 2316480), (285, 2259584), (304, 2118360), (320, 2012442), (380, 1694688), (381, 1690240), (384, 1677035), (417, 1544320), (456, 1412240), (480, 1341628), (508, 1267680), (556, 1158240), (570, 1129792), (608, 1059180), (635, 1014144), (640, 1006221), (695, 926592), (760, 847344), (762, 845120), (834, 772160), (912, 706120), (960, 670814), (1016, 633840), (1112, 579120), (1140, 564896), (1216, 529590), (1270, 507072), (1390, 463296), (1520, 423672), (1524, 422560), (1668, 386080), (1824, 353060), (1905, 338048), (1920, 335407), (2032, 316920), (2085, 308864), (2224, 289560), (2280, 282448), (2413, 266880), (2432, 264795), (2540, 253536), (2641, 243840), (2780, 231648), (3040, 211836), (3048, 211280), (3336, 193040), (3648, 176530), (3810, 169024), (4064, 158460), (4170, 154432), (4448, 144780), (4560, 141224), (4826, 133440), (5080, 126768), (5282, 121920), (5560, 115824), (6080, 105918), (6096, 105640), (6672, 96520), (7239, 88960), (7296, 88265), (7620, 84512), (7923, 81280), (8128, 79230), (8340, 77216), (8896, 72390), (9120, 70612), (9652, 66720), (10160, 63384), (10564, 60960), (11120, 57912), (12065, 53376), (12160, 52959), (12192, 52820), (13205, 48768), (13344, 48260), (14478, 44480), (15240, 42256), (15846, 40640), (16256, 39615), (16680, 38608), (17653, 36480), (17792, 36195), (18240, 35306), (19304, 33360), (20320, 31692), (21128, 30480), (22240, 28956), (24130, 26688), (24384, 26410)]