81335880

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{593}}^1$

素因数の和:740

約数の個数: 128

約数和(自身を含む): 273715200

約数和(自身を除く): 192379320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 127, 135, 180, 216, 254, 270, 360, 381, 508, 540, 593, 635, 762, 1016, 1080, 1143, 1186, 1270, 1524, 1779, 1905, 2286, 2372, 2540, 2965, 3048, 3429, 3558, 3810, 4572, 4744, 5080, 5337, 5715, 5930, 6858, 7116, 7620, 8895, 9144, 10674, 11430, 11860, 13716, 14232, 15240, 16011, 17145, 17790, 21348, 22860, 23720, 26685, 27432, 32022, 34290, 35580, 42696, 45720, 53370, 64044, 68580, 71160, 75311, 80055, 106740, 128088, 137160, 150622, 160110, 213480, 225933, 301244, 320220, 376555, 451866, 602488, 640440, 677799, 753110, 903732, 1129665, 1355598, 1506220, 1807464, 2033397, 2259330, 2711196, 3012440, 3388995, 4066794, 4518660, 5422392, 6777990, 8133588, 9037320, 10166985, 13555980, 16267176, 20333970, 27111960, 40667940, 81335880]

約数ペア:

[(1, 81335880), (2, 40667940), (3, 27111960), (4, 20333970), (5, 16267176), (6, 13555980), (8, 10166985), (9, 9037320), (10, 8133588), (12, 6777990), (15, 5422392), (18, 4518660), (20, 4066794), (24, 3388995), (27, 3012440), (30, 2711196), (36, 2259330), (40, 2033397), (45, 1807464), (54, 1506220), (60, 1355598), (72, 1129665), (90, 903732), (108, 753110), (120, 677799), (127, 640440), (135, 602488), (180, 451866), (216, 376555), (254, 320220), (270, 301244), (360, 225933), (381, 213480), (508, 160110), (540, 150622), (593, 137160), (635, 128088), (762, 106740), (1016, 80055), (1080, 75311), (1143, 71160), (1186, 68580), (1270, 64044), (1524, 53370), (1779, 45720), (1905, 42696), (2286, 35580), (2372, 34290), (2540, 32022), (2965, 27432), (3048, 26685), (3429, 23720), (3558, 22860), (3810, 21348), (4572, 17790), (4744, 17145), (5080, 16011), (5337, 15240), (5715, 14232), (5930, 13716), (6858, 11860), (7116, 11430), (7620, 10674), (8895, 9144)]