261720288

素因数分解:

$2^5\times 3^3\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{149}}^1$

素因数の和:294

約数の個数: 192

約数和(自身を含む): 816480000

約数和(自身を除く): 554759712

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 27, 32, 36, 38, 48, 54, 57, 72, 76, 96, 107, 108, 114, 144, 149, 152, 171, 214, 216, 228, 288, 298, 304, 321, 342, 428, 432, 447, 456, 513, 596, 608, 642, 684, 856, 864, 894, 912, 963, 1026, 1192, 1284, 1341, 1368, 1712, 1788, 1824, 1926, 2033, 2052, 2384, 2568, 2682, 2736, 2831, 2889, 3424, 3576, 3852, 4023, 4066, 4104, 4768, 5136, 5364, 5472, 5662, 5778, 6099, 7152, 7704, 8046, 8132, 8208, 8493, 10272, 10728, 11324, 11556, 12198, 14304, 15408, 15943, 16092, 16264, 16416, 16986, 18297, 21456, 22648, 23112, 24396, 25479, 30816, 31886, 32184, 32528, 33972, 36594, 42912, 45296, 46224, 47829, 48792, 50958, 54891, 63772, 64368, 65056, 67944, 73188, 76437, 90592, 92448, 95658, 97584, 101916, 109782, 127544, 128736, 135888, 143487, 146376, 152874, 191316, 195168, 203832, 219564, 255088, 271776, 286974, 292752, 302917, 305748, 382632, 407664, 430461, 439128, 510176, 573948, 585504, 605834, 611496, 765264, 815328, 860922, 878256, 908751, 1147896, 1211668, 1222992, 1530528, 1721844, 1756512, 1817502, 2295792, 2423336, 2445984, 2726253, 3443688, 3635004, 4591584, 4846672, 5452506, 6887376, 7270008, 8178759, 9693344, 10905012, 13774752, 14540016, 16357518, 21810024, 29080032, 32715036, 43620048, 65430072, 87240096, 130860144, 261720288]

約数ペア:

[(1, 261720288), (2, 130860144), (3, 87240096), (4, 65430072), (6, 43620048), (8, 32715036), (9, 29080032), (12, 21810024), (16, 16357518), (18, 14540016), (19, 13774752), (24, 10905012), (27, 9693344), (32, 8178759), (36, 7270008), (38, 6887376), (48, 5452506), (54, 4846672), (57, 4591584), (72, 3635004), (76, 3443688), (96, 2726253), (107, 2445984), (108, 2423336), (114, 2295792), (144, 1817502), (149, 1756512), (152, 1721844), (171, 1530528), (214, 1222992), (216, 1211668), (228, 1147896), (288, 908751), (298, 878256), (304, 860922), (321, 815328), (342, 765264), (428, 611496), (432, 605834), (447, 585504), (456, 573948), (513, 510176), (596, 439128), (608, 430461), (642, 407664), (684, 382632), (856, 305748), (864, 302917), (894, 292752), (912, 286974), (963, 271776), (1026, 255088), (1192, 219564), (1284, 203832), (1341, 195168), (1368, 191316), (1712, 152874), (1788, 146376), (1824, 143487), (1926, 135888), (2033, 128736), (2052, 127544), (2384, 109782), (2568, 101916), (2682, 97584), (2736, 95658), (2831, 92448), (2889, 90592), (3424, 76437), (3576, 73188), (3852, 67944), (4023, 65056), (4066, 64368), (4104, 63772), (4768, 54891), (5136, 50958), (5364, 48792), (5472, 47829), (5662, 46224), (5778, 45296), (6099, 42912), (7152, 36594), (7704, 33972), (8046, 32528), (8132, 32184), (8208, 31886), (8493, 30816), (10272, 25479), (10728, 24396), (11324, 23112), (11556, 22648), (12198, 21456), (14304, 18297), (15408, 16986), (15943, 16416), (16092, 16264)]