161909280

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2$

素因数の和:102

約数の個数: 360

約数和(自身を含む): 635849676

約数和(自身を除く): 473940396

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 31, 32, 36, 39, 40, 45, 48, 52, 54, 60, 62, 65, 72, 78, 80, 81, 90, 93, 96, 104, 108, 117, 120, 124, 130, 135, 144, 155, 156, 160, 162, 180, 186, 195, 208, 216, 234, 240, 248, 260, 270, 279, 288, 310, 312, 324, 351, 360, 372, 390, 403, 405, 416, 432, 465, 468, 480, 496, 520, 540, 558, 585, 620, 624, 648, 702, 720, 744, 780, 806, 810, 837, 864, 930, 936, 961, 992, 1040, 1053, 1080, 1116, 1170, 1209, 1240, 1248, 1296, 1395, 1404, 1440, 1488, 1560, 1612, 1620, 1674, 1755, 1860, 1872, 1922, 2015, 2080, 2106, 2160, 2232, 2340, 2418, 2480, 2511, 2592, 2790, 2808, 2883, 2976, 3120, 3224, 3240, 3348, 3510, 3627, 3720, 3744, 3844, 4030, 4185, 4212, 4320, 4464, 4680, 4805, 4836, 4960, 5022, 5265, 5580, 5616, 5766, 6045, 6240, 6448, 6480, 6696, 7020, 7254, 7440, 7688, 8060, 8370, 8424, 8649, 8928, 9360, 9610, 9672, 10044, 10530, 10881, 11160, 11232, 11532, 12090, 12493, 12555, 12896, 12960, 13392, 14040, 14415, 14508, 14880, 15376, 16120, 16740, 16848, 17298, 18135, 18720, 19220, 19344, 20088, 21060, 21762, 22320, 23064, 24180, 24986, 25110, 25947, 26784, 28080, 28830, 29016, 30752, 32240, 32643, 33480, 33696, 34596, 36270, 37479, 38440, 38688, 40176, 42120, 43245, 43524, 44640, 46128, 48360, 49972, 50220, 51894, 54405, 56160, 57660, 58032, 62465, 64480, 65286, 66960, 69192, 72540, 74958, 76880, 77841, 80352, 84240, 86490, 87048, 92256, 96720, 99944, 100440, 103788, 108810, 112437, 115320, 116064, 124930, 129735, 130572, 133920, 138384, 145080, 149916, 153760, 155682, 163215, 168480, 172980, 174096, 187395, 193440, 199888, 200880, 207576, 217620, 224874, 230640, 249860, 259470, 261144, 276768, 290160, 299832, 311364, 326430, 337311, 345960, 348192, 374790, 389205, 399776, 401760, 415152, 435240, 449748, 461280, 499720, 518940, 522288, 562185, 580320, 599664, 622728, 652860, 674622, 691920, 749580, 778410, 830304, 870480, 899496, 999440, 1011933, 1037880, 1044576, 1124370, 1199328, 1245456, 1305720, 1349244, 1383840, 1499160, 1556820, 1686555, 1740960, 1798992, 1998880, 2023866, 2075760, 2248740, 2490912, 2611440, 2698488, 2998320, 3113640, 3373110, 3597984, 4047732, 4151520, 4497480, 5059665, 5222880, 5396976, 5996640, 6227280, 6746220, 8095464, 8994960, 10119330, 10793952, 12454560, 13492440, 16190928, 17989920, 20238660, 26984880, 32381856, 40477320, 53969760, 80954640, 161909280]

約数ペア:

[(1, 161909280), (2, 80954640), (3, 53969760), (4, 40477320), (5, 32381856), (6, 26984880), (8, 20238660), (9, 17989920), (10, 16190928), (12, 13492440), (13, 12454560), (15, 10793952), (16, 10119330), (18, 8994960), (20, 8095464), (24, 6746220), (26, 6227280), (27, 5996640), (30, 5396976), (31, 5222880), (32, 5059665), (36, 4497480), (39, 4151520), (40, 4047732), (45, 3597984), (48, 3373110), (52, 3113640), (54, 2998320), (60, 2698488), (62, 2611440), (65, 2490912), (72, 2248740), (78, 2075760), (80, 2023866), (81, 1998880), (90, 1798992), (93, 1740960), (96, 1686555), (104, 1556820), (108, 1499160), (117, 1383840), (120, 1349244), (124, 1305720), (130, 1245456), (135, 1199328), (144, 1124370), (155, 1044576), (156, 1037880), (160, 1011933), (162, 999440), (180, 899496), (186, 870480), (195, 830304), (208, 778410), (216, 749580), (234, 691920), (240, 674622), (248, 652860), (260, 622728), (270, 599664), (279, 580320), (288, 562185), (310, 522288), (312, 518940), (324, 499720), (351, 461280), (360, 449748), (372, 435240), (390, 415152), (403, 401760), (405, 399776), (416, 389205), (432, 374790), (465, 348192), (468, 345960), (480, 337311), (496, 326430), (520, 311364), (540, 299832), (558, 290160), (585, 276768), (620, 261144), (624, 259470), (648, 249860), (702, 230640), (720, 224874), (744, 217620), (780, 207576), (806, 200880), (810, 199888), (837, 193440), (864, 187395), (930, 174096), (936, 172980), (961, 168480), (992, 163215), (1040, 155682), (1053, 153760), (1080, 149916), (1116, 145080), (1170, 138384), (1209, 133920), (1240, 130572), (1248, 129735), (1296, 124930), (1395, 116064), (1404, 115320), (1440, 112437), (1488, 108810), (1560, 103788), (1612, 100440), (1620, 99944), (1674, 96720), (1755, 92256), (1860, 87048), (1872, 86490), (1922, 84240), (2015, 80352), (2080, 77841), (2106, 76880), (2160, 74958), (2232, 72540), (2340, 69192), (2418, 66960), (2480, 65286), (2511, 64480), (2592, 62465), (2790, 58032), (2808, 57660), (2883, 56160), (2976, 54405), (3120, 51894), (3224, 50220), (3240, 49972), (3348, 48360), (3510, 46128), (3627, 44640), (3720, 43524), (3744, 43245), (3844, 42120), (4030, 40176), (4185, 38688), (4212, 38440), (4320, 37479), (4464, 36270), (4680, 34596), (4805, 33696), (4836, 33480), (4960, 32643), (5022, 32240), (5265, 30752), (5580, 29016), (5616, 28830), (5766, 28080), (6045, 26784), (6240, 25947), (6448, 25110), (6480, 24986), (6696, 24180), (7020, 23064), (7254, 22320), (7440, 21762), (7688, 21060), (8060, 20088), (8370, 19344), (8424, 19220), (8649, 18720), (8928, 18135), (9360, 17298), (9610, 16848), (9672, 16740), (10044, 16120), (10530, 15376), (10881, 14880), (11160, 14508), (11232, 14415), (11532, 14040), (12090, 13392), (12493, 12960), (12555, 12896)]