31628880

素因数分解:

$2^4\times 3^5\times 5^1\times {\mathrm{1627}}^1$

素因数の和:1655

約数の個数: 120

約数和(自身を含む): 110222112

約数和(自身を除く): 78593232

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 135, 144, 162, 180, 216, 240, 243, 270, 324, 360, 405, 432, 486, 540, 648, 720, 810, 972, 1080, 1215, 1296, 1620, 1627, 1944, 2160, 2430, 3240, 3254, 3888, 4860, 4881, 6480, 6508, 8135, 9720, 9762, 13016, 14643, 16270, 19440, 19524, 24405, 26032, 29286, 32540, 39048, 43929, 48810, 58572, 65080, 73215, 78096, 87858, 97620, 117144, 130160, 131787, 146430, 175716, 195240, 219645, 234288, 263574, 292860, 351432, 390480, 395361, 439290, 527148, 585720, 658935, 702864, 790722, 878580, 1054296, 1171440, 1317870, 1581444, 1757160, 1976805, 2108592, 2635740, 3162888, 3514320, 3953610, 5271480, 6325776, 7907220, 10542960, 15814440, 31628880]

約数ペア:

[(1, 31628880), (2, 15814440), (3, 10542960), (4, 7907220), (5, 6325776), (6, 5271480), (8, 3953610), (9, 3514320), (10, 3162888), (12, 2635740), (15, 2108592), (16, 1976805), (18, 1757160), (20, 1581444), (24, 1317870), (27, 1171440), (30, 1054296), (36, 878580), (40, 790722), (45, 702864), (48, 658935), (54, 585720), (60, 527148), (72, 439290), (80, 395361), (81, 390480), (90, 351432), (108, 292860), (120, 263574), (135, 234288), (144, 219645), (162, 195240), (180, 175716), (216, 146430), (240, 131787), (243, 130160), (270, 117144), (324, 97620), (360, 87858), (405, 78096), (432, 73215), (486, 65080), (540, 58572), (648, 48810), (720, 43929), (810, 39048), (972, 32540), (1080, 29286), (1215, 26032), (1296, 24405), (1620, 19524), (1627, 19440), (1944, 16270), (2160, 14643), (2430, 13016), (3240, 9762), (3254, 9720), (3888, 8135), (4860, 6508), (4881, 6480)]