257132880

素因数分解:

$2^4\times 3^6\times 5^1\times {\mathrm{4409}}^1$

素因数の和:4440

約数の個数: 140

約数和(自身を含む): 896544180

約数和(自身を除く): 639411300

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, 729, 810, 972, 1080, 1215, 1296, 1458, 1620, 1944, 2160, 2430, 2916, 3240, 3645, 3888, 4409, 4860, 5832, 6480, 7290, 8818, 9720, 11664, 13227, 14580, 17636, 19440, 22045, 26454, 29160, 35272, 39681, 44090, 52908, 58320, 66135, 70544, 79362, 88180, 105816, 119043, 132270, 158724, 176360, 198405, 211632, 238086, 264540, 317448, 352720, 357129, 396810, 476172, 529080, 595215, 634896, 714258, 793620, 952344, 1058160, 1071387, 1190430, 1428516, 1587240, 1785645, 1904688, 2142774, 2380860, 2857032, 3174480, 3214161, 3571290, 4285548, 4761720, 5356935, 5714064, 6428322, 7142580, 8571096, 9523440, 10713870, 12856644, 14285160, 16070805, 17142192, 21427740, 25713288, 28570320, 32141610, 42855480, 51426576, 64283220, 85710960, 128566440, 257132880]

約数ペア:

[(1, 257132880), (2, 128566440), (3, 85710960), (4, 64283220), (5, 51426576), (6, 42855480), (8, 32141610), (9, 28570320), (10, 25713288), (12, 21427740), (15, 17142192), (16, 16070805), (18, 14285160), (20, 12856644), (24, 10713870), (27, 9523440), (30, 8571096), (36, 7142580), (40, 6428322), (45, 5714064), (48, 5356935), (54, 4761720), (60, 4285548), (72, 3571290), (80, 3214161), (81, 3174480), (90, 2857032), (108, 2380860), (120, 2142774), (135, 1904688), (144, 1785645), (162, 1587240), (180, 1428516), (216, 1190430), (240, 1071387), (243, 1058160), (270, 952344), (324, 793620), (360, 714258), (405, 634896), (432, 595215), (486, 529080), (540, 476172), (648, 396810), (720, 357129), (729, 352720), (810, 317448), (972, 264540), (1080, 238086), (1215, 211632), (1296, 198405), (1458, 176360), (1620, 158724), (1944, 132270), (2160, 119043), (2430, 105816), (2916, 88180), (3240, 79362), (3645, 70544), (3888, 66135), (4409, 58320), (4860, 52908), (5832, 44090), (6480, 39681), (7290, 35272), (8818, 29160), (9720, 26454), (11664, 22045), (13227, 19440), (14580, 17636)]