28181321280

素因数分解:

$2^6\times 3^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{15031}}^1$

素因数の和:15095

約数の個数: 448

約数和(自身を含む): 117292892160

約数和(自身を除く): 89111570880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 31, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 62, 63, 64, 70, 72, 80, 84, 90, 93, 96, 105, 108, 112, 120, 124, 126, 135, 140, 144, 155, 160, 168, 180, 186, 189, 192, 210, 216, 217, 224, 240, 248, 252, 270, 279, 280, 288, 310, 315, 320, 336, 360, 372, 378, 420, 432, 434, 448, 465, 480, 496, 504, 540, 558, 560, 576, 620, 630, 651, 672, 720, 744, 756, 837, 840, 864, 868, 930, 945, 960, 992, 1008, 1080, 1085, 1116, 1120, 1240, 1260, 1302, 1344, 1395, 1440, 1488, 1512, 1674, 1680, 1728, 1736, 1860, 1890, 1953, 1984, 2016, 2160, 2170, 2232, 2240, 2480, 2520, 2604, 2790, 2880, 2976, 3024, 3255, 3348, 3360, 3472, 3720, 3780, 3906, 4032, 4185, 4320, 4340, 4464, 4960, 5040, 5208, 5580, 5859, 5952, 6048, 6510, 6696, 6720, 6944, 7440, 7560, 7812, 8370, 8640, 8680, 8928, 9765, 9920, 10080, 10416, 11160, 11718, 12096, 13020, 13392, 13888, 14880, 15031, 15120, 15624, 16740, 17360, 17856, 19530, 20160, 20832, 22320, 23436, 26040, 26784, 29295, 29760, 30062, 30240, 31248, 33480, 34720, 39060, 41664, 44640, 45093, 46872, 52080, 53568, 58590, 60124, 60480, 62496, 66960, 69440, 75155, 78120, 89280, 90186, 93744, 104160, 105217, 117180, 120248, 124992, 133920, 135279, 150310, 156240, 180372, 187488, 208320, 210434, 225465, 234360, 240496, 267840, 270558, 300620, 312480, 315651, 360744, 374976, 405837, 420868, 450930, 465961, 468720, 480992, 526085, 541116, 601240, 624960, 631302, 676395, 721488, 811674, 841736, 901860, 931922, 937440, 946953, 961984, 1052170, 1082232, 1202480, 1262604, 1352790, 1397883, 1442976, 1578255, 1623348, 1683472, 1803720, 1863844, 1874880, 1893906, 2029185, 2104340, 2164464, 2329805, 2404960, 2525208, 2705580, 2795766, 2840859, 2885952, 3156510, 3246696, 3261727, 3366944, 3607440, 3727688, 3787812, 4058370, 4193649, 4208680, 4328928, 4659610, 4734765, 4809920, 5050416, 5411160, 5591532, 5681718, 6313020, 6493392, 6523454, 6733888, 6989415, 7214880, 7455376, 7575624, 8116740, 8387298, 8417360, 8657856, 9319220, 9469530, 9785181, 10100832, 10822320, 11183064, 11363436, 12580947, 12626040, 12986784, 13046908, 13978830, 14204295, 14429760, 14910752, 15151248, 16233480, 16308635, 16774596, 16834720, 18638440, 18939060, 19570362, 20201664, 20968245, 21644640, 22366128, 22726872, 25161894, 25252080, 25973568, 26093816, 27957660, 28408590, 29355543, 29821504, 30302496, 32466960, 32617270, 33549192, 33669440, 37276880, 37878120, 39140724, 41936490, 43289280, 44732256, 45453744, 48925905, 50323788, 50504160, 52187632, 55915320, 56817180, 58711086, 60604992, 62904735, 64933920, 65234540, 67098384, 74553760, 75756240, 78281448, 83872980, 88066629, 89464512, 90907488, 97851810, 100647576, 101008320, 104375264, 111830640, 113634360, 117422172, 125809470, 129867840, 130469080, 134196768, 146777715, 149107520, 151512480, 156562896, 167745960, 176133258, 181814976, 195703620, 201295152, 208750528, 223661280, 227268720, 234844344, 251618940, 260938160, 268393536, 293555430, 303024960, 313125792, 335491920, 352266516, 391407240, 402590304, 440333145, 447322560, 454537440, 469688688, 503237880, 521876320, 587110860, 626251584, 670983840, 704533032, 782814480, 805180608, 880666290, 909074880, 939377376, 1006475760, 1043752640, 1174221720, 1341967680, 1409066064, 1565628960, 1761332580, 1878754752, 2012951520, 2348443440, 2818132128, 3131257920, 3522665160, 4025903040, 4696886880, 5636264256, 7045330320, 9393773760, 14090660640, 28181321280]

約数ペア:

[(1, 28181321280), (2, 14090660640), (3, 9393773760), (4, 7045330320), (5, 5636264256), (6, 4696886880), (7, 4025903040), (8, 3522665160), (9, 3131257920), (10, 2818132128), (12, 2348443440), (14, 2012951520), (15, 1878754752), (16, 1761332580), (18, 1565628960), (20, 1409066064), (21, 1341967680), (24, 1174221720), (27, 1043752640), (28, 1006475760), (30, 939377376), (31, 909074880), (32, 880666290), (35, 805180608), (36, 782814480), (40, 704533032), (42, 670983840), (45, 626251584), (48, 587110860), (54, 521876320), (56, 503237880), (60, 469688688), (62, 454537440), (63, 447322560), (64, 440333145), (70, 402590304), (72, 391407240), (80, 352266516), (84, 335491920), (90, 313125792), (93, 303024960), (96, 293555430), (105, 268393536), (108, 260938160), (112, 251618940), (120, 234844344), (124, 227268720), (126, 223661280), (135, 208750528), (140, 201295152), (144, 195703620), (155, 181814976), (160, 176133258), (168, 167745960), (180, 156562896), (186, 151512480), (189, 149107520), (192, 146777715), (210, 134196768), (216, 130469080), (217, 129867840), (224, 125809470), (240, 117422172), (248, 113634360), (252, 111830640), (270, 104375264), (279, 101008320), (280, 100647576), (288, 97851810), (310, 90907488), (315, 89464512), (320, 88066629), (336, 83872980), (360, 78281448), (372, 75756240), (378, 74553760), (420, 67098384), (432, 65234540), (434, 64933920), (448, 62904735), (465, 60604992), (480, 58711086), (496, 56817180), (504, 55915320), (540, 52187632), (558, 50504160), (560, 50323788), (576, 48925905), (620, 45453744), (630, 44732256), (651, 43289280), (672, 41936490), (720, 39140724), (744, 37878120), (756, 37276880), (837, 33669440), (840, 33549192), (864, 32617270), (868, 32466960), (930, 30302496), (945, 29821504), (960, 29355543), (992, 28408590), (1008, 27957660), (1080, 26093816), (1085, 25973568), (1116, 25252080), (1120, 25161894), (1240, 22726872), (1260, 22366128), (1302, 21644640), (1344, 20968245), (1395, 20201664), (1440, 19570362), (1488, 18939060), (1512, 18638440), (1674, 16834720), (1680, 16774596), (1728, 16308635), (1736, 16233480), (1860, 15151248), (1890, 14910752), (1953, 14429760), (1984, 14204295), (2016, 13978830), (2160, 13046908), (2170, 12986784), (2232, 12626040), (2240, 12580947), (2480, 11363436), (2520, 11183064), (2604, 10822320), (2790, 10100832), (2880, 9785181), (2976, 9469530), (3024, 9319220), (3255, 8657856), (3348, 8417360), (3360, 8387298), (3472, 8116740), (3720, 7575624), (3780, 7455376), (3906, 7214880), (4032, 6989415), (4185, 6733888), (4320, 6523454), (4340, 6493392), (4464, 6313020), (4960, 5681718), (5040, 5591532), (5208, 5411160), (5580, 5050416), (5859, 4809920), (5952, 4734765), (6048, 4659610), (6510, 4328928), (6696, 4208680), (6720, 4193649), (6944, 4058370), (7440, 3787812), (7560, 3727688), (7812, 3607440), (8370, 3366944), (8640, 3261727), (8680, 3246696), (8928, 3156510), (9765, 2885952), (9920, 2840859), (10080, 2795766), (10416, 2705580), (11160, 2525208), (11718, 2404960), (12096, 2329805), (13020, 2164464), (13392, 2104340), (13888, 2029185), (14880, 1893906), (15031, 1874880), (15120, 1863844), (15624, 1803720), (16740, 1683472), (17360, 1623348), (17856, 1578255), (19530, 1442976), (20160, 1397883), (20832, 1352790), (22320, 1262604), (23436, 1202480), (26040, 1082232), (26784, 1052170), (29295, 961984), (29760, 946953), (30062, 937440), (30240, 931922), (31248, 901860), (33480, 841736), (34720, 811674), (39060, 721488), (41664, 676395), (44640, 631302), (45093, 624960), (46872, 601240), (52080, 541116), (53568, 526085), (58590, 480992), (60124, 468720), (60480, 465961), (62496, 450930), (66960, 420868), (69440, 405837), (75155, 374976), (78120, 360744), (89280, 315651), (90186, 312480), (93744, 300620), (104160, 270558), (105217, 267840), (117180, 240496), (120248, 234360), (124992, 225465), (133920, 210434), (135279, 208320), (150310, 187488), (156240, 180372)]