18388645920

素因数分解:

$2^5\times 3^9\times 5^1\times {\mathrm{5839}}^1$

素因数の和:5881

約数の個数: 240

約数和(自身を含む): 65174820480

約数和(自身を除く): 46786174560

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, 243, 270, 288, 324, 360, 405, 432, 480, 486, 540, 648, 720, 729, 810, 864, 972, 1080, 1215, 1296, 1440, 1458, 1620, 1944, 2160, 2187, 2430, 2592, 2916, 3240, 3645, 3888, 4320, 4374, 4860, 5832, 5839, 6480, 6561, 7290, 7776, 8748, 9720, 10935, 11664, 11678, 12960, 13122, 14580, 17496, 17517, 19440, 19683, 21870, 23328, 23356, 26244, 29160, 29195, 32805, 34992, 35034, 38880, 39366, 43740, 46712, 52488, 52551, 58320, 58390, 65610, 69984, 70068, 78732, 87480, 87585, 93424, 98415, 104976, 105102, 116640, 116780, 131220, 140136, 157464, 157653, 174960, 175170, 186848, 196830, 209952, 210204, 233560, 262440, 262755, 280272, 314928, 315306, 349920, 350340, 393660, 420408, 467120, 472959, 524880, 525510, 560544, 629856, 630612, 700680, 787320, 788265, 840816, 934240, 945918, 1049760, 1051020, 1261224, 1401360, 1418877, 1574640, 1576530, 1681632, 1891836, 2102040, 2364795, 2522448, 2802720, 2837754, 3149280, 3153060, 3783672, 4204080, 4256631, 4729590, 5044896, 5675508, 6306120, 7094385, 7567344, 8408160, 8513262, 9459180, 11351016, 12612240, 12769893, 14188770, 15134688, 17026524, 18918360, 21283155, 22702032, 25224480, 25539786, 28377540, 34053048, 37836720, 38309679, 42566310, 45404064, 51079572, 56755080, 63849465, 68106096, 75673440, 76619358, 85132620, 102159144, 113510160, 114929037, 127698930, 136212192, 153238716, 170265240, 191548395, 204318288, 227020320, 229858074, 255397860, 306477432, 340530480, 383096790, 408636576, 459716148, 510795720, 574645185, 612954864, 681060960, 766193580, 919432296, 1021591440, 1149290370, 1225909728, 1532387160, 1838864592, 2043182880, 2298580740, 3064774320, 3677729184, 4597161480, 6129548640, 9194322960, 18388645920]

約数ペア:

[(1, 18388645920), (2, 9194322960), (3, 6129548640), (4, 4597161480), (5, 3677729184), (6, 3064774320), (8, 2298580740), (9, 2043182880), (10, 1838864592), (12, 1532387160), (15, 1225909728), (16, 1149290370), (18, 1021591440), (20, 919432296), (24, 766193580), (27, 681060960), (30, 612954864), (32, 574645185), (36, 510795720), (40, 459716148), (45, 408636576), (48, 383096790), (54, 340530480), (60, 306477432), (72, 255397860), (80, 229858074), (81, 227020320), (90, 204318288), (96, 191548395), (108, 170265240), (120, 153238716), (135, 136212192), (144, 127698930), (160, 114929037), (162, 113510160), (180, 102159144), (216, 85132620), (240, 76619358), (243, 75673440), (270, 68106096), (288, 63849465), (324, 56755080), (360, 51079572), (405, 45404064), (432, 42566310), (480, 38309679), (486, 37836720), (540, 34053048), (648, 28377540), (720, 25539786), (729, 25224480), (810, 22702032), (864, 21283155), (972, 18918360), (1080, 17026524), (1215, 15134688), (1296, 14188770), (1440, 12769893), (1458, 12612240), (1620, 11351016), (1944, 9459180), (2160, 8513262), (2187, 8408160), (2430, 7567344), (2592, 7094385), (2916, 6306120), (3240, 5675508), (3645, 5044896), (3888, 4729590), (4320, 4256631), (4374, 4204080), (4860, 3783672), (5832, 3153060), (5839, 3149280), (6480, 2837754), (6561, 2802720), (7290, 2522448), (7776, 2364795), (8748, 2102040), (9720, 1891836), (10935, 1681632), (11664, 1576530), (11678, 1574640), (12960, 1418877), (13122, 1401360), (14580, 1261224), (17496, 1051020), (17517, 1049760), (19440, 945918), (19683, 934240), (21870, 840816), (23328, 788265), (23356, 787320), (26244, 700680), (29160, 630612), (29195, 629856), (32805, 560544), (34992, 525510), (35034, 524880), (38880, 472959), (39366, 467120), (43740, 420408), (46712, 393660), (52488, 350340), (52551, 349920), (58320, 315306), (58390, 314928), (65610, 280272), (69984, 262755), (70068, 262440), (78732, 233560), (87480, 210204), (87585, 209952), (93424, 196830), (98415, 186848), (104976, 175170), (105102, 174960), (116640, 157653), (116780, 157464), (131220, 140136)]