180260640

素因数分解:

$2^5\times 3^4\times 5^1\times 7^1\times {\mathrm{1987}}^1$

素因数の和:2021

約数の個数: 240

約数和(自身を含む): 727417152

約数和(自身を除く): 547156512

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 81, 84, 90, 96, 105, 108, 112, 120, 126, 135, 140, 144, 160, 162, 168, 180, 189, 210, 216, 224, 240, 252, 270, 280, 288, 315, 324, 336, 360, 378, 405, 420, 432, 480, 504, 540, 560, 567, 630, 648, 672, 720, 756, 810, 840, 864, 945, 1008, 1080, 1120, 1134, 1260, 1296, 1440, 1512, 1620, 1680, 1890, 1987, 2016, 2160, 2268, 2520, 2592, 2835, 3024, 3240, 3360, 3780, 3974, 4320, 4536, 5040, 5670, 5961, 6048, 6480, 7560, 7948, 9072, 9935, 10080, 11340, 11922, 12960, 13909, 15120, 15896, 17883, 18144, 19870, 22680, 23844, 27818, 29805, 30240, 31792, 35766, 39740, 41727, 45360, 47688, 53649, 55636, 59610, 63584, 69545, 71532, 79480, 83454, 89415, 90720, 95376, 107298, 111272, 119220, 125181, 139090, 143064, 158960, 160947, 166908, 178830, 190752, 208635, 214596, 222544, 238440, 250362, 268245, 278180, 286128, 317920, 321894, 333816, 357660, 375543, 417270, 429192, 445088, 476880, 500724, 536490, 556360, 572256, 625905, 643788, 667632, 715320, 751086, 804735, 834540, 858384, 953760, 1001448, 1072980, 1112720, 1126629, 1251810, 1287576, 1335264, 1430640, 1502172, 1609470, 1669080, 1716768, 1877715, 2002896, 2145960, 2225440, 2253258, 2503620, 2575152, 2861280, 3004344, 3218940, 3338160, 3755430, 4005792, 4291920, 4506516, 5007240, 5150304, 5633145, 6008688, 6437880, 6676320, 7510860, 8583840, 9013032, 10014480, 11266290, 12017376, 12875760, 15021720, 18026064, 20028960, 22532580, 25751520, 30043440, 36052128, 45065160, 60086880, 90130320, 180260640]

約数ペア:

[(1, 180260640), (2, 90130320), (3, 60086880), (4, 45065160), (5, 36052128), (6, 30043440), (7, 25751520), (8, 22532580), (9, 20028960), (10, 18026064), (12, 15021720), (14, 12875760), (15, 12017376), (16, 11266290), (18, 10014480), (20, 9013032), (21, 8583840), (24, 7510860), (27, 6676320), (28, 6437880), (30, 6008688), (32, 5633145), (35, 5150304), (36, 5007240), (40, 4506516), (42, 4291920), (45, 4005792), (48, 3755430), (54, 3338160), (56, 3218940), (60, 3004344), (63, 2861280), (70, 2575152), (72, 2503620), (80, 2253258), (81, 2225440), (84, 2145960), (90, 2002896), (96, 1877715), (105, 1716768), (108, 1669080), (112, 1609470), (120, 1502172), (126, 1430640), (135, 1335264), (140, 1287576), (144, 1251810), (160, 1126629), (162, 1112720), (168, 1072980), (180, 1001448), (189, 953760), (210, 858384), (216, 834540), (224, 804735), (240, 751086), (252, 715320), (270, 667632), (280, 643788), (288, 625905), (315, 572256), (324, 556360), (336, 536490), (360, 500724), (378, 476880), (405, 445088), (420, 429192), (432, 417270), (480, 375543), (504, 357660), (540, 333816), (560, 321894), (567, 317920), (630, 286128), (648, 278180), (672, 268245), (720, 250362), (756, 238440), (810, 222544), (840, 214596), (864, 208635), (945, 190752), (1008, 178830), (1080, 166908), (1120, 160947), (1134, 158960), (1260, 143064), (1296, 139090), (1440, 125181), (1512, 119220), (1620, 111272), (1680, 107298), (1890, 95376), (1987, 90720), (2016, 89415), (2160, 83454), (2268, 79480), (2520, 71532), (2592, 69545), (2835, 63584), (3024, 59610), (3240, 55636), (3360, 53649), (3780, 47688), (3974, 45360), (4320, 41727), (4536, 39740), (5040, 35766), (5670, 31792), (5961, 30240), (6048, 29805), (6480, 27818), (7560, 23844), (7948, 22680), (9072, 19870), (9935, 18144), (10080, 17883), (11340, 15896), (11922, 15120), (12960, 13909)]