81463320

素因数分解:

$2^3\times 3^5\times 5^1\times {\mathrm{17}}^2\times {\mathrm{29}}^1$

素因数の和:89

約数の個数: 288

約数和(自身を含む): 301719600

約数和(自身を除く): 220256280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 27, 29, 30, 34, 36, 40, 45, 51, 54, 58, 60, 68, 72, 81, 85, 87, 90, 102, 108, 116, 120, 135, 136, 145, 153, 162, 170, 174, 180, 204, 216, 232, 243, 255, 261, 270, 289, 290, 306, 324, 340, 348, 360, 405, 408, 435, 459, 486, 493, 510, 522, 540, 578, 580, 612, 648, 680, 696, 765, 783, 810, 867, 870, 918, 972, 986, 1020, 1044, 1080, 1156, 1160, 1215, 1224, 1305, 1377, 1445, 1479, 1530, 1566, 1620, 1734, 1740, 1836, 1944, 1972, 2040, 2088, 2295, 2312, 2349, 2430, 2465, 2601, 2610, 2754, 2890, 2958, 3060, 3132, 3240, 3468, 3480, 3672, 3915, 3944, 4131, 4335, 4437, 4590, 4698, 4860, 4930, 5202, 5220, 5508, 5780, 5916, 6120, 6264, 6885, 6936, 7047, 7395, 7803, 7830, 8262, 8381, 8670, 8874, 9180, 9396, 9720, 9860, 10404, 10440, 11016, 11560, 11745, 11832, 13005, 13311, 13770, 14094, 14790, 15606, 15660, 16524, 16762, 17340, 17748, 18360, 18792, 19720, 20655, 20808, 22185, 23409, 23490, 25143, 26010, 26622, 27540, 28188, 29580, 31212, 31320, 33048, 33524, 34680, 35235, 35496, 39015, 39933, 41310, 41905, 44370, 46818, 46980, 50286, 52020, 53244, 55080, 56376, 59160, 62424, 66555, 67048, 70227, 70470, 75429, 78030, 79866, 82620, 83810, 88740, 93636, 93960, 100572, 104040, 106488, 117045, 119799, 125715, 133110, 140454, 140940, 150858, 156060, 159732, 165240, 167620, 177480, 187272, 199665, 201144, 226287, 234090, 239598, 251430, 266220, 280908, 281880, 301716, 312120, 319464, 335240, 351135, 377145, 399330, 452574, 468180, 479196, 502860, 532440, 561816, 598995, 603432, 678861, 702270, 754290, 798660, 905148, 936360, 958392, 1005720, 1131435, 1197990, 1357722, 1404540, 1508580, 1597320, 1810296, 2036583, 2262870, 2395980, 2715444, 2809080, 3017160, 3394305, 4073166, 4525740, 4791960, 5430888, 6788610, 8146332, 9051480, 10182915, 13577220, 16292664, 20365830, 27154440, 40731660, 81463320]

約数ペア:

[(1, 81463320), (2, 40731660), (3, 27154440), (4, 20365830), (5, 16292664), (6, 13577220), (8, 10182915), (9, 9051480), (10, 8146332), (12, 6788610), (15, 5430888), (17, 4791960), (18, 4525740), (20, 4073166), (24, 3394305), (27, 3017160), (29, 2809080), (30, 2715444), (34, 2395980), (36, 2262870), (40, 2036583), (45, 1810296), (51, 1597320), (54, 1508580), (58, 1404540), (60, 1357722), (68, 1197990), (72, 1131435), (81, 1005720), (85, 958392), (87, 936360), (90, 905148), (102, 798660), (108, 754290), (116, 702270), (120, 678861), (135, 603432), (136, 598995), (145, 561816), (153, 532440), (162, 502860), (170, 479196), (174, 468180), (180, 452574), (204, 399330), (216, 377145), (232, 351135), (243, 335240), (255, 319464), (261, 312120), (270, 301716), (289, 281880), (290, 280908), (306, 266220), (324, 251430), (340, 239598), (348, 234090), (360, 226287), (405, 201144), (408, 199665), (435, 187272), (459, 177480), (486, 167620), (493, 165240), (510, 159732), (522, 156060), (540, 150858), (578, 140940), (580, 140454), (612, 133110), (648, 125715), (680, 119799), (696, 117045), (765, 106488), (783, 104040), (810, 100572), (867, 93960), (870, 93636), (918, 88740), (972, 83810), (986, 82620), (1020, 79866), (1044, 78030), (1080, 75429), (1156, 70470), (1160, 70227), (1215, 67048), (1224, 66555), (1305, 62424), (1377, 59160), (1445, 56376), (1479, 55080), (1530, 53244), (1566, 52020), (1620, 50286), (1734, 46980), (1740, 46818), (1836, 44370), (1944, 41905), (1972, 41310), (2040, 39933), (2088, 39015), (2295, 35496), (2312, 35235), (2349, 34680), (2430, 33524), (2465, 33048), (2601, 31320), (2610, 31212), (2754, 29580), (2890, 28188), (2958, 27540), (3060, 26622), (3132, 26010), (3240, 25143), (3468, 23490), (3480, 23409), (3672, 22185), (3915, 20808), (3944, 20655), (4131, 19720), (4335, 18792), (4437, 18360), (4590, 17748), (4698, 17340), (4860, 16762), (4930, 16524), (5202, 15660), (5220, 15606), (5508, 14790), (5780, 14094), (5916, 13770), (6120, 13311), (6264, 13005), (6885, 11832), (6936, 11745), (7047, 11560), (7395, 11016), (7803, 10440), (7830, 10404), (8262, 9860), (8381, 9720), (8670, 9396), (8874, 9180)]