80646480

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{1109}}^1$

素因数の和:1229

約数の個数: 120

約数和(自身を含む): 273765960

約数和(自身を除く): 193119480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 101, 120, 144, 180, 202, 240, 303, 360, 404, 505, 606, 720, 808, 909, 1010, 1109, 1212, 1515, 1616, 1818, 2020, 2218, 2424, 3030, 3327, 3636, 4040, 4436, 4545, 4848, 5545, 6060, 6654, 7272, 8080, 8872, 9090, 9981, 11090, 12120, 13308, 14544, 16635, 17744, 18180, 19962, 22180, 24240, 26616, 33270, 36360, 39924, 44360, 49905, 53232, 66540, 72720, 79848, 88720, 99810, 112009, 133080, 159696, 199620, 224018, 266160, 336027, 399240, 448036, 560045, 672054, 798480, 896072, 1008081, 1120090, 1344108, 1680135, 1792144, 2016162, 2240180, 2688216, 3360270, 4032324, 4480360, 5040405, 5376432, 6720540, 8064648, 8960720, 10080810, 13441080, 16129296, 20161620, 26882160, 40323240, 80646480]

約数ペア:

[(1, 80646480), (2, 40323240), (3, 26882160), (4, 20161620), (5, 16129296), (6, 13441080), (8, 10080810), (9, 8960720), (10, 8064648), (12, 6720540), (15, 5376432), (16, 5040405), (18, 4480360), (20, 4032324), (24, 3360270), (30, 2688216), (36, 2240180), (40, 2016162), (45, 1792144), (48, 1680135), (60, 1344108), (72, 1120090), (80, 1008081), (90, 896072), (101, 798480), (120, 672054), (144, 560045), (180, 448036), (202, 399240), (240, 336027), (303, 266160), (360, 224018), (404, 199620), (505, 159696), (606, 133080), (720, 112009), (808, 99810), (909, 88720), (1010, 79848), (1109, 72720), (1212, 66540), (1515, 53232), (1616, 49905), (1818, 44360), (2020, 39924), (2218, 36360), (2424, 33270), (3030, 26616), (3327, 24240), (3636, 22180), (4040, 19962), (4436, 18180), (4545, 17744), (4848, 16635), (5545, 14544), (6060, 13308), (6654, 12120), (7272, 11090), (8080, 9981), (8872, 9090)]