181957320

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{331}}^1\times {\mathrm{509}}^1$

素因数の和:860

約数の個数: 128

約数和(自身を含む): 609552000

約数和(自身を除く): 427594680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 331, 360, 509, 540, 662, 993, 1018, 1080, 1324, 1527, 1655, 1986, 2036, 2545, 2648, 2979, 3054, 3310, 3972, 4072, 4581, 4965, 5090, 5958, 6108, 6620, 7635, 7944, 8937, 9162, 9930, 10180, 11916, 12216, 13240, 13743, 14895, 15270, 17874, 18324, 19860, 20360, 22905, 23832, 27486, 29790, 30540, 35748, 36648, 39720, 44685, 45810, 54972, 59580, 61080, 68715, 71496, 89370, 91620, 109944, 119160, 137430, 168479, 178740, 183240, 274860, 336958, 357480, 505437, 549720, 673916, 842395, 1010874, 1347832, 1516311, 1684790, 2021748, 2527185, 3032622, 3369580, 4043496, 4548933, 5054370, 6065244, 6739160, 7581555, 9097866, 10108740, 12130488, 15163110, 18195732, 20217480, 22744665, 30326220, 36391464, 45489330, 60652440, 90978660, 181957320]

約数ペア:

[(1, 181957320), (2, 90978660), (3, 60652440), (4, 45489330), (5, 36391464), (6, 30326220), (8, 22744665), (9, 20217480), (10, 18195732), (12, 15163110), (15, 12130488), (18, 10108740), (20, 9097866), (24, 7581555), (27, 6739160), (30, 6065244), (36, 5054370), (40, 4548933), (45, 4043496), (54, 3369580), (60, 3032622), (72, 2527185), (90, 2021748), (108, 1684790), (120, 1516311), (135, 1347832), (180, 1010874), (216, 842395), (270, 673916), (331, 549720), (360, 505437), (509, 357480), (540, 336958), (662, 274860), (993, 183240), (1018, 178740), (1080, 168479), (1324, 137430), (1527, 119160), (1655, 109944), (1986, 91620), (2036, 89370), (2545, 71496), (2648, 68715), (2979, 61080), (3054, 59580), (3310, 54972), (3972, 45810), (4072, 44685), (4581, 39720), (4965, 36648), (5090, 35748), (5958, 30540), (6108, 29790), (6620, 27486), (7635, 23832), (7944, 22905), (8937, 20360), (9162, 19860), (9930, 18324), (10180, 17874), (11916, 15270), (12216, 14895), (13240, 13743)]