321990720

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{139}}^1$

素因数の和:305

約数の個数: 224

約数和(自身を含む): 1092403200

約数和(自身を除く): 770412480

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, 139, 152, 160, 190, 192, 228, 240, 254, 278, 285, 304, 320, 380, 381, 417, 456, 480, 508, 556, 570, 608, 635, 695, 760, 762, 834, 912, 960, 1016, 1112, 1140, 1216, 1270, 1390, 1520, 1524, 1668, 1824, 1905, 2032, 2085, 2224, 2280, 2413, 2540, 2641, 2780, 3040, 3048, 3336, 3648, 3810, 4064, 4170, 4448, 4560, 4826, 5080, 5282, 5560, 6080, 6096, 6672, 7239, 7620, 7923, 8128, 8340, 8896, 9120, 9652, 10160, 10564, 11120, 12065, 12192, 13205, 13344, 14478, 15240, 15846, 16680, 17653, 18240, 19304, 20320, 21128, 22240, 24130, 24384, 26410, 26688, 28956, 30480, 31692, 33360, 35306, 36195, 38608, 39615, 40640, 42256, 44480, 48260, 52820, 52959, 57912, 60960, 63384, 66720, 70612, 72390, 77216, 79230, 84512, 88265, 96520, 105640, 105918, 115824, 121920, 126768, 133440, 141224, 144780, 154432, 158460, 169024, 176530, 193040, 211280, 211836, 231648, 253536, 264795, 282448, 289560, 316920, 335407, 353060, 386080, 422560, 423672, 463296, 507072, 529590, 564896, 579120, 633840, 670814, 706120, 772160, 845120, 847344, 1006221, 1059180, 1129792, 1158240, 1267680, 1341628, 1412240, 1677035, 1694688, 2012442, 2118360, 2316480, 2535360, 2683256, 2824480, 3354070, 3389376, 4024884, 4236720, 5031105, 5366512, 5648960, 6708140, 8049768, 8473440, 10062210, 10733024, 13416280, 16099536, 16946880, 20124420, 21466048, 26832560, 32199072, 40248840, 53665120, 64398144, 80497680, 107330240, 160995360, 321990720]

約数ペア:

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