80155980

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{16493}}^1$

素因数の和:16517

約数の個数: 72

約数和(自身を含む): 252160272

約数和(自身を除く): 172004292

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 243, 270, 324, 405, 486, 540, 810, 972, 1215, 1620, 2430, 4860, 16493, 32986, 49479, 65972, 82465, 98958, 148437, 164930, 197916, 247395, 296874, 329860, 445311, 494790, 593748, 742185, 890622, 989580, 1335933, 1484370, 1781244, 2226555, 2671866, 2968740, 4007799, 4453110, 5343732, 6679665, 8015598, 8906220, 13359330, 16031196, 20038995, 26718660, 40077990, 80155980]

約数ペア:

[(1, 80155980), (2, 40077990), (3, 26718660), (4, 20038995), (5, 16031196), (6, 13359330), (9, 8906220), (10, 8015598), (12, 6679665), (15, 5343732), (18, 4453110), (20, 4007799), (27, 2968740), (30, 2671866), (36, 2226555), (45, 1781244), (54, 1484370), (60, 1335933), (81, 989580), (90, 890622), (108, 742185), (135, 593748), (162, 494790), (180, 445311), (243, 329860), (270, 296874), (324, 247395), (405, 197916), (486, 164930), (540, 148437), (810, 98958), (972, 82465), (1215, 65972), (1620, 49479), (2430, 32986), (4860, 16493)]