278035740

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{3011}}^1$

素因数の和:3054

約数の個数: 144

約数和(自身を含む): 920949120

約数和(自身を除く): 642913380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 36, 38, 45, 54, 57, 60, 76, 81, 90, 95, 108, 114, 135, 162, 171, 180, 190, 228, 243, 270, 285, 324, 342, 380, 405, 486, 513, 540, 570, 684, 810, 855, 972, 1026, 1140, 1215, 1539, 1620, 1710, 2052, 2430, 2565, 3011, 3078, 3420, 4617, 4860, 5130, 6022, 6156, 7695, 9033, 9234, 10260, 12044, 15055, 15390, 18066, 18468, 23085, 27099, 30110, 30780, 36132, 45165, 46170, 54198, 57209, 60220, 81297, 90330, 92340, 108396, 114418, 135495, 162594, 171627, 180660, 228836, 243891, 270990, 286045, 325188, 343254, 406485, 487782, 514881, 541980, 572090, 686508, 731673, 812970, 858135, 975564, 1029762, 1144180, 1219455, 1463346, 1544643, 1625940, 1716270, 2059524, 2438910, 2574405, 2926692, 3089286, 3432540, 3658365, 4633929, 4877820, 5148810, 6178572, 7316730, 7723215, 9267858, 10297620, 13901787, 14633460, 15446430, 18535716, 23169645, 27803574, 30892860, 46339290, 55607148, 69508935, 92678580, 139017870, 278035740]

約数ペア:

[(1, 278035740), (2, 139017870), (3, 92678580), (4, 69508935), (5, 55607148), (6, 46339290), (9, 30892860), (10, 27803574), (12, 23169645), (15, 18535716), (18, 15446430), (19, 14633460), (20, 13901787), (27, 10297620), (30, 9267858), (36, 7723215), (38, 7316730), (45, 6178572), (54, 5148810), (57, 4877820), (60, 4633929), (76, 3658365), (81, 3432540), (90, 3089286), (95, 2926692), (108, 2574405), (114, 2438910), (135, 2059524), (162, 1716270), (171, 1625940), (180, 1544643), (190, 1463346), (228, 1219455), (243, 1144180), (270, 1029762), (285, 975564), (324, 858135), (342, 812970), (380, 731673), (405, 686508), (486, 572090), (513, 541980), (540, 514881), (570, 487782), (684, 406485), (810, 343254), (855, 325188), (972, 286045), (1026, 270990), (1140, 243891), (1215, 228836), (1539, 180660), (1620, 171627), (1710, 162594), (2052, 135495), (2430, 114418), (2565, 108396), (3011, 92340), (3078, 90330), (3420, 81297), (4617, 60220), (4860, 57209), (5130, 54198), (6022, 46170), (6156, 45165), (7695, 36132), (9033, 30780), (9234, 30110), (10260, 27099), (12044, 23085), (15055, 18468), (15390, 18066)]