90931260

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{157}}^1\times {\mathrm{197}}^1$

素因数の和:380

約数の個数: 144

約数和(自身を含む): 299575584

約数和(自身を除く): 208644324

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 157, 196, 197, 210, 245, 294, 314, 394, 420, 471, 490, 588, 591, 628, 735, 785, 788, 942, 980, 985, 1099, 1182, 1379, 1470, 1570, 1884, 1970, 2198, 2355, 2364, 2758, 2940, 2955, 3140, 3297, 3940, 4137, 4396, 4710, 5495, 5516, 5910, 6594, 6895, 7693, 8274, 9420, 9653, 10990, 11820, 13188, 13790, 15386, 16485, 16548, 19306, 20685, 21980, 23079, 27580, 28959, 30772, 30929, 32970, 38465, 38612, 41370, 46158, 48265, 57918, 61858, 65940, 76930, 82740, 92316, 92787, 96530, 115395, 115836, 123716, 144795, 153860, 154645, 185574, 193060, 216503, 230790, 289590, 309290, 371148, 433006, 461580, 463935, 579180, 618580, 649509, 866012, 927870, 1082515, 1299018, 1515521, 1855740, 2165030, 2598036, 3031042, 3247545, 4330060, 4546563, 6062084, 6495090, 7577605, 9093126, 12990180, 15155210, 18186252, 22732815, 30310420, 45465630, 90931260]

約数ペア:

[(1, 90931260), (2, 45465630), (3, 30310420), (4, 22732815), (5, 18186252), (6, 15155210), (7, 12990180), (10, 9093126), (12, 7577605), (14, 6495090), (15, 6062084), (20, 4546563), (21, 4330060), (28, 3247545), (30, 3031042), (35, 2598036), (42, 2165030), (49, 1855740), (60, 1515521), (70, 1299018), (84, 1082515), (98, 927870), (105, 866012), (140, 649509), (147, 618580), (157, 579180), (196, 463935), (197, 461580), (210, 433006), (245, 371148), (294, 309290), (314, 289590), (394, 230790), (420, 216503), (471, 193060), (490, 185574), (588, 154645), (591, 153860), (628, 144795), (735, 123716), (785, 115836), (788, 115395), (942, 96530), (980, 92787), (985, 92316), (1099, 82740), (1182, 76930), (1379, 65940), (1470, 61858), (1570, 57918), (1884, 48265), (1970, 46158), (2198, 41370), (2355, 38612), (2364, 38465), (2758, 32970), (2940, 30929), (2955, 30772), (3140, 28959), (3297, 27580), (3940, 23079), (4137, 21980), (4396, 20685), (4710, 19306), (5495, 16548), (5516, 16485), (5910, 15386), (6594, 13790), (6895, 13188), (7693, 11820), (8274, 10990), (9420, 9653)]