228720240

素因数分解:

$2^4\times 3^3\times 5^1\times 7^2\times {\mathrm{2161}}^1$

素因数の和:2197

約数の個数: 240

約数和(自身を含む): 916860960

約数和(自身を除く): 688140720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 49, 54, 56, 60, 63, 70, 72, 80, 84, 90, 98, 105, 108, 112, 120, 126, 135, 140, 144, 147, 168, 180, 189, 196, 210, 216, 240, 245, 252, 270, 280, 294, 315, 336, 360, 378, 392, 420, 432, 441, 490, 504, 540, 560, 588, 630, 720, 735, 756, 784, 840, 882, 945, 980, 1008, 1080, 1176, 1260, 1323, 1470, 1512, 1680, 1764, 1890, 1960, 2160, 2161, 2205, 2352, 2520, 2646, 2940, 3024, 3528, 3780, 3920, 4322, 4410, 5040, 5292, 5880, 6483, 6615, 7056, 7560, 8644, 8820, 10584, 10805, 11760, 12966, 13230, 15120, 15127, 17288, 17640, 19449, 21168, 21610, 25932, 26460, 30254, 32415, 34576, 35280, 38898, 43220, 45381, 51864, 52920, 58347, 60508, 64830, 75635, 77796, 86440, 90762, 97245, 103728, 105840, 105889, 116694, 121016, 129660, 136143, 151270, 155592, 172880, 181524, 194490, 211778, 226905, 233388, 242032, 259320, 272286, 291735, 302540, 311184, 317667, 363048, 388980, 408429, 423556, 453810, 466776, 518640, 529445, 544572, 583470, 605080, 635334, 680715, 726096, 777960, 816858, 847112, 907620, 933552, 953001, 1058890, 1089144, 1166940, 1210160, 1270668, 1361430, 1555920, 1588335, 1633716, 1694224, 1815240, 1906002, 2042145, 2117780, 2178288, 2333880, 2541336, 2722860, 2859003, 3176670, 3267432, 3630480, 3812004, 4084290, 4235560, 4667760, 4765005, 5082672, 5445720, 5718006, 6353340, 6534864, 7624008, 8168580, 8471120, 9530010, 10891440, 11436012, 12706680, 14295015, 15248016, 16337160, 19060020, 22872024, 25413360, 28590030, 32674320, 38120040, 45744048, 57180060, 76240080, 114360120, 228720240]

約数ペア:

[(1, 228720240), (2, 114360120), (3, 76240080), (4, 57180060), (5, 45744048), (6, 38120040), (7, 32674320), (8, 28590030), (9, 25413360), (10, 22872024), (12, 19060020), (14, 16337160), (15, 15248016), (16, 14295015), (18, 12706680), (20, 11436012), (21, 10891440), (24, 9530010), (27, 8471120), (28, 8168580), (30, 7624008), (35, 6534864), (36, 6353340), (40, 5718006), (42, 5445720), (45, 5082672), (48, 4765005), (49, 4667760), (54, 4235560), (56, 4084290), (60, 3812004), (63, 3630480), (70, 3267432), (72, 3176670), (80, 2859003), (84, 2722860), (90, 2541336), (98, 2333880), (105, 2178288), (108, 2117780), (112, 2042145), (120, 1906002), (126, 1815240), (135, 1694224), (140, 1633716), (144, 1588335), (147, 1555920), (168, 1361430), (180, 1270668), (189, 1210160), (196, 1166940), (210, 1089144), (216, 1058890), (240, 953001), (245, 933552), (252, 907620), (270, 847112), (280, 816858), (294, 777960), (315, 726096), (336, 680715), (360, 635334), (378, 605080), (392, 583470), (420, 544572), (432, 529445), (441, 518640), (490, 466776), (504, 453810), (540, 423556), (560, 408429), (588, 388980), (630, 363048), (720, 317667), (735, 311184), (756, 302540), (784, 291735), (840, 272286), (882, 259320), (945, 242032), (980, 233388), (1008, 226905), (1080, 211778), (1176, 194490), (1260, 181524), (1323, 172880), (1470, 155592), (1512, 151270), (1680, 136143), (1764, 129660), (1890, 121016), (1960, 116694), (2160, 105889), (2161, 105840), (2205, 103728), (2352, 97245), (2520, 90762), (2646, 86440), (2940, 77796), (3024, 75635), (3528, 64830), (3780, 60508), (3920, 58347), (4322, 52920), (4410, 51864), (5040, 45381), (5292, 43220), (5880, 38898), (6483, 35280), (6615, 34576), (7056, 32415), (7560, 30254), (8644, 26460), (8820, 25932), (10584, 21610), (10805, 21168), (11760, 19449), (12966, 17640), (13230, 17288), (15120, 15127)]