255998880

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{19753}}^1$

素因数の和:19780

約数の個数: 120

約数和(自身を含む): 903508452

約数和(自身を除く): 647509572

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 96, 108, 120, 135, 144, 160, 162, 180, 216, 240, 270, 288, 324, 360, 405, 432, 480, 540, 648, 720, 810, 864, 1080, 1296, 1440, 1620, 2160, 2592, 3240, 4320, 6480, 12960, 19753, 39506, 59259, 79012, 98765, 118518, 158024, 177777, 197530, 237036, 296295, 316048, 355554, 395060, 474072, 533331, 592590, 632096, 711108, 790120, 888885, 948144, 1066662, 1185180, 1422216, 1580240, 1599993, 1777770, 1896288, 2133324, 2370360, 2666655, 2844432, 3160480, 3199986, 3555540, 4266648, 4740720, 5333310, 5688864, 6399972, 7111080, 7999965, 8533296, 9481440, 10666620, 12799944, 14222160, 15999930, 17066592, 21333240, 25599888, 28444320, 31999860, 42666480, 51199776, 63999720, 85332960, 127999440, 255998880]

約数ペア:

[(1, 255998880), (2, 127999440), (3, 85332960), (4, 63999720), (5, 51199776), (6, 42666480), (8, 31999860), (9, 28444320), (10, 25599888), (12, 21333240), (15, 17066592), (16, 15999930), (18, 14222160), (20, 12799944), (24, 10666620), (27, 9481440), (30, 8533296), (32, 7999965), (36, 7111080), (40, 6399972), (45, 5688864), (48, 5333310), (54, 4740720), (60, 4266648), (72, 3555540), (80, 3199986), (81, 3160480), (90, 2844432), (96, 2666655), (108, 2370360), (120, 2133324), (135, 1896288), (144, 1777770), (160, 1599993), (162, 1580240), (180, 1422216), (216, 1185180), (240, 1066662), (270, 948144), (288, 888885), (324, 790120), (360, 711108), (405, 632096), (432, 592590), (480, 533331), (540, 474072), (648, 395060), (720, 355554), (810, 316048), (864, 296295), (1080, 237036), (1296, 197530), (1440, 177777), (1620, 158024), (2160, 118518), (2592, 98765), (3240, 79012), (4320, 59259), (6480, 39506), (12960, 19753)]