261597168

素因数分解:

$2^4\times 3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1$

素因数の和:229

約数の個数: 320

約数和(自身を含む): 940416000

約数和(自身を除く): 678818832

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 19, 21, 24, 27, 28, 29, 36, 38, 42, 48, 54, 56, 57, 58, 63, 72, 76, 84, 87, 108, 112, 114, 116, 126, 133, 144, 152, 157, 168, 171, 174, 189, 203, 216, 228, 232, 252, 261, 266, 304, 314, 336, 342, 348, 378, 399, 406, 432, 456, 464, 471, 504, 513, 522, 532, 551, 609, 628, 684, 696, 756, 783, 798, 812, 912, 942, 1008, 1026, 1044, 1064, 1099, 1102, 1197, 1218, 1256, 1368, 1392, 1413, 1512, 1566, 1596, 1624, 1653, 1827, 1884, 2052, 2088, 2128, 2198, 2204, 2394, 2436, 2512, 2736, 2826, 2983, 3024, 3132, 3192, 3248, 3297, 3306, 3591, 3654, 3768, 3857, 4104, 4176, 4239, 4396, 4408, 4553, 4788, 4872, 4959, 5481, 5652, 5966, 6264, 6384, 6594, 6612, 7182, 7308, 7536, 7714, 8208, 8478, 8792, 8816, 8949, 9106, 9576, 9744, 9891, 9918, 10962, 11304, 11571, 11932, 12528, 13188, 13224, 13659, 14364, 14616, 14877, 15428, 16956, 17584, 17898, 18212, 19152, 19782, 19836, 20881, 21924, 22608, 23142, 23864, 26376, 26448, 26847, 27318, 28728, 29232, 29673, 29754, 30856, 31871, 33912, 34713, 35796, 36424, 39564, 39672, 40977, 41762, 43848, 46284, 47728, 52752, 53694, 54636, 57456, 59346, 59508, 61712, 62643, 63742, 67824, 69426, 71592, 72848, 79128, 79344, 80541, 81954, 83524, 86507, 87696, 92568, 95613, 104139, 107388, 109272, 118692, 119016, 122931, 125286, 127484, 138852, 143184, 158256, 161082, 163908, 167048, 173014, 185136, 187929, 191226, 208278, 214776, 218544, 237384, 238032, 245862, 250572, 254968, 259521, 277704, 286839, 322164, 327816, 334096, 346028, 375858, 382452, 416556, 429552, 474768, 491724, 501144, 509936, 519042, 555408, 563787, 573678, 605549, 644328, 655632, 692056, 751716, 764904, 778563, 833112, 860517, 983448, 1002288, 1038084, 1127574, 1147356, 1211098, 1288656, 1384112, 1503432, 1529808, 1557126, 1666224, 1721034, 1816647, 1966896, 2076168, 2255148, 2294712, 2335689, 2422196, 3006864, 3114252, 3442068, 3633294, 4152336, 4510296, 4589424, 4671378, 4844392, 5449941, 6228504, 6884136, 7266588, 9020592, 9342756, 9688784, 10899882, 12457008, 13768272, 14533176, 16349823, 18685512, 21799764, 29066352, 32699646, 37371024, 43599528, 65399292, 87199056, 130798584, 261597168]

約数ペア:

[(1, 261597168), (2, 130798584), (3, 87199056), (4, 65399292), (6, 43599528), (7, 37371024), (8, 32699646), (9, 29066352), (12, 21799764), (14, 18685512), (16, 16349823), (18, 14533176), (19, 13768272), (21, 12457008), (24, 10899882), (27, 9688784), (28, 9342756), (29, 9020592), (36, 7266588), (38, 6884136), (42, 6228504), (48, 5449941), (54, 4844392), (56, 4671378), (57, 4589424), (58, 4510296), (63, 4152336), (72, 3633294), (76, 3442068), (84, 3114252), (87, 3006864), (108, 2422196), (112, 2335689), (114, 2294712), (116, 2255148), (126, 2076168), (133, 1966896), (144, 1816647), (152, 1721034), (157, 1666224), (168, 1557126), (171, 1529808), (174, 1503432), (189, 1384112), (203, 1288656), (216, 1211098), (228, 1147356), (232, 1127574), (252, 1038084), (261, 1002288), (266, 983448), (304, 860517), (314, 833112), (336, 778563), (342, 764904), (348, 751716), (378, 692056), (399, 655632), (406, 644328), (432, 605549), (456, 573678), (464, 563787), (471, 555408), (504, 519042), (513, 509936), (522, 501144), (532, 491724), (551, 474768), (609, 429552), (628, 416556), (684, 382452), (696, 375858), (756, 346028), (783, 334096), (798, 327816), (812, 322164), (912, 286839), (942, 277704), (1008, 259521), (1026, 254968), (1044, 250572), (1064, 245862), (1099, 238032), (1102, 237384), (1197, 218544), (1218, 214776), (1256, 208278), (1368, 191226), (1392, 187929), (1413, 185136), (1512, 173014), (1566, 167048), (1596, 163908), (1624, 161082), (1653, 158256), (1827, 143184), (1884, 138852), (2052, 127484), (2088, 125286), (2128, 122931), (2198, 119016), (2204, 118692), (2394, 109272), (2436, 107388), (2512, 104139), (2736, 95613), (2826, 92568), (2983, 87696), (3024, 86507), (3132, 83524), (3192, 81954), (3248, 80541), (3297, 79344), (3306, 79128), (3591, 72848), (3654, 71592), (3768, 69426), (3857, 67824), (4104, 63742), (4176, 62643), (4239, 61712), (4396, 59508), (4408, 59346), (4553, 57456), (4788, 54636), (4872, 53694), (4959, 52752), (5481, 47728), (5652, 46284), (5966, 43848), (6264, 41762), (6384, 40977), (6594, 39672), (6612, 39564), (7182, 36424), (7308, 35796), (7536, 34713), (7714, 33912), (8208, 31871), (8478, 30856), (8792, 29754), (8816, 29673), (8949, 29232), (9106, 28728), (9576, 27318), (9744, 26847), (9891, 26448), (9918, 26376), (10962, 23864), (11304, 23142), (11571, 22608), (11932, 21924), (12528, 20881), (13188, 19836), (13224, 19782), (13659, 19152), (14364, 18212), (14616, 17898), (14877, 17584), (15428, 16956)]