2520720

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{389}}^1$

素因数の和:414

約数の個数: 100

約数和(自身を含む): 8777340

約数和(自身を除く): 6256620

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, 270, 324, 360, 389, 405, 432, 540, 648, 720, 778, 810, 1080, 1167, 1296, 1556, 1620, 1945, 2160, 2334, 3112, 3240, 3501, 3890, 4668, 5835, 6224, 6480, 7002, 7780, 9336, 10503, 11670, 14004, 15560, 17505, 18672, 21006, 23340, 28008, 31120, 31509, 35010, 42012, 46680, 52515, 56016, 63018, 70020, 84024, 93360, 105030, 126036, 140040, 157545, 168048, 210060, 252072, 280080, 315090, 420120, 504144, 630180, 840240, 1260360, 2520720]

約数ペア:

[(1, 2520720), (2, 1260360), (3, 840240), (4, 630180), (5, 504144), (6, 420120), (8, 315090), (9, 280080), (10, 252072), (12, 210060), (15, 168048), (16, 157545), (18, 140040), (20, 126036), (24, 105030), (27, 93360), (30, 84024), (36, 70020), (40, 63018), (45, 56016), (48, 52515), (54, 46680), (60, 42012), (72, 35010), (80, 31509), (81, 31120), (90, 28008), (108, 23340), (120, 21006), (135, 18672), (144, 17505), (162, 15560), (180, 14004), (216, 11670), (240, 10503), (270, 9336), (324, 7780), (360, 7002), (389, 6480), (405, 6224), (432, 5835), (540, 4668), (648, 3890), (720, 3501), (778, 3240), (810, 3112), (1080, 2334), (1167, 2160), (1296, 1945), (1556, 1620)]