28310071440

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{257}}^1$

素因数の和:352

約数の個数: 960

約数和(自身を含む): 118165651200

約数和(自身を除く): 89855579760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 17, 19, 20, 21, 24, 28, 29, 30, 34, 35, 38, 40, 42, 48, 49, 51, 56, 57, 58, 60, 68, 70, 76, 80, 84, 85, 87, 95, 98, 102, 105, 112, 114, 116, 119, 120, 133, 136, 140, 145, 147, 152, 168, 170, 174, 190, 196, 203, 204, 210, 228, 232, 238, 240, 245, 255, 257, 266, 272, 280, 285, 290, 294, 304, 323, 336, 340, 348, 357, 380, 392, 399, 406, 408, 420, 435, 456, 464, 476, 490, 493, 510, 514, 532, 551, 560, 570, 580, 588, 595, 609, 646, 665, 680, 696, 714, 735, 760, 771, 784, 798, 812, 816, 833, 840, 870, 912, 931, 952, 969, 980, 986, 1015, 1020, 1028, 1064, 1102, 1140, 1160, 1176, 1190, 1218, 1285, 1292, 1330, 1360, 1392, 1421, 1428, 1470, 1479, 1520, 1542, 1596, 1615, 1624, 1653, 1666, 1680, 1740, 1785, 1799, 1862, 1904, 1938, 1960, 1972, 1995, 2030, 2040, 2056, 2128, 2204, 2261, 2280, 2320, 2352, 2380, 2436, 2465, 2499, 2570, 2584, 2660, 2755, 2793, 2842, 2856, 2940, 2958, 3045, 3084, 3192, 3230, 3248, 3306, 3332, 3451, 3480, 3570, 3598, 3724, 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31654, 31920, 33060, 33320, 33915, 34104, 34181, 34510, 34952, 35980, 36176, 37240, 37265, 37468, 37779, 38570, 38760, 39064, 39440, 39984, 41412, 42630, 43176, 43690, 44080, 44688, 44718, 45220, 46284, 46835, 47481, 48314, 48720, 48830, 49980, 50372, 51765, 52171, 52428, 53970, 53998, 54264, 55216, 55860, 56202, 56840, 57855, 58596, 59160, 59624, 61166, 61680, 61712, 62965, 63308, 65535, 65569, 66120, 66640, 67830, 68208, 68362, 69020, 69904, 71960, 72471, 73245, 74480, 74530, 74936, 75558, 77140, 77520, 78128, 79135, 80997, 82824, 83011, 85260, 86352, 87380, 89436, 90440, 91749, 92568, 93670, 94962, 96628, 97660, 99960, 100744, 102543, 103530, 104342, 104856, 107940, 107996, 108528, 111720, 111795, 112404, 113680, 115710, 117192, 118320, 119248, 120785, 122332, 125930, 126616, 126701, 131070, 131138, 132240, 134995, 135660, 136724, 138040, 140505, 141607, 143920, 144942, 146490, 149060, 149872, 151116, 152915, 154280, 156513, 158270, 161994, 165648, 166022, 170520, 170905, 174760, 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約数ペア:

[(1, 28310071440), (2, 14155035720), (3, 9436690480), (4, 7077517860), (5, 5662014288), (6, 4718345240), (7, 4044295920), (8, 3538758930), (10, 2831007144), (12, 2359172620), (14, 2022147960), (15, 1887338096), (16, 1769379465), (17, 1665298320), (19, 1490003760), (20, 1415503572), (21, 1348098640), (24, 1179586310), (28, 1011073980), (29, 976209360), (30, 943669048), (34, 832649160), (35, 808859184), (38, 745001880), (40, 707751786), (42, 674049320), (48, 589793155), (49, 577756560), (51, 555099440), (56, 505536990), (57, 496667920), (58, 488104680), (60, 471834524), (68, 416324580), (70, 404429592), (76, 372500940), (80, 353875893), (84, 337024660), (85, 333059664), (87, 325403120), (95, 298000752), (98, 288878280), (102, 277549720), (105, 269619728), (112, 252768495), (114, 248333960), (116, 244052340), (119, 237899760), (120, 235917262), (133, 212857680), (136, 208162290), (140, 202214796), (145, 195241872), (147, 192585520), (152, 186250470), (168, 168512330), (170, 166529832), 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(126701, 223440), (131070, 215992), (131138, 215880), (132240, 214081), (134995, 209712), (135660, 208684), (136724, 207060), (138040, 205086), (140505, 201488), (141607, 199920), (143920, 196707), (144942, 195320), (146490, 193256), (149060, 189924), (149872, 188895), (151116, 187340), (152915, 185136), (154280, 183498), (156513, 180880), (158270, 178872), (161994, 174760), (165648, 170905), (166022, 170520)]