420964128

素因数分解:

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

素因数の和:110

約数の個数: 270

約数和(自身を含む): 1385243937

約数和(自身を除く): 964279809

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 31, 32, 36, 39, 48, 52, 54, 62, 72, 78, 81, 93, 96, 104, 108, 117, 124, 144, 156, 162, 169, 186, 208, 216, 234, 248, 279, 288, 312, 324, 338, 351, 372, 403, 416, 432, 468, 496, 507, 558, 624, 648, 676, 702, 744, 806, 837, 864, 936, 961, 992, 1014, 1053, 1116, 1209, 1248, 1296, 1352, 1404, 1488, 1521, 1612, 1674, 1872, 1922, 2028, 2106, 2232, 2418, 2511, 2592, 2704, 2808, 2883, 2976, 3042, 3224, 3348, 3627, 3744, 3844, 4056, 4212, 4464, 4563, 4836, 5022, 5239, 5408, 5616, 5766, 6084, 6448, 6696, 7254, 7688, 8112, 8424, 8649, 8928, 9126, 9672, 10044, 10478, 10881, 11232, 11532, 12168, 12493, 12896, 13392, 13689, 14508, 15376, 15717, 16224, 16848, 17298, 18252, 19344, 20088, 20956, 21762, 23064, 24336, 24986, 25947, 26784, 27378, 29016, 30752, 31434, 32643, 33696, 34596, 36504, 37479, 38688, 40176, 41912, 43524, 46128, 47151, 48672, 49972, 51894, 54756, 58032, 62868, 65286, 69192, 73008, 74958, 77841, 80352, 83824, 87048, 92256, 94302, 99944, 103788, 109512, 112437, 116064, 125736, 130572, 138384, 141453, 146016, 149916, 155682, 162409, 167648, 174096, 188604, 199888, 207576, 219024, 224874, 251472, 261144, 276768, 282906, 299832, 311364, 324818, 337311, 348192, 377208, 399776, 415152, 424359, 438048, 449748, 487227, 502944, 522288, 565812, 599664, 622728, 649636, 674622, 754416, 830304, 848718, 899496, 974454, 1011933, 1044576, 1131624, 1199328, 1245456, 1299272, 1349244, 1461681, 1508832, 1697436, 1798992, 1948908, 2023866, 2263248, 2490912, 2598544, 2698488, 2923362, 3394872, 3597984, 3897816, 4047732, 4385043, 4526496, 5197088, 5396976, 5846724, 6789744, 7795632, 8095464, 8770086, 10793952, 11693448, 13155129, 13579488, 15591264, 16190928, 17540172, 23386896, 26310258, 32381856, 35080344, 46773792, 52620516, 70160688, 105241032, 140321376, 210482064, 420964128]

約数ペア:

[(1, 420964128), (2, 210482064), (3, 140321376), (4, 105241032), (6, 70160688), (8, 52620516), (9, 46773792), (12, 35080344), (13, 32381856), (16, 26310258), (18, 23386896), (24, 17540172), (26, 16190928), (27, 15591264), (31, 13579488), (32, 13155129), (36, 11693448), (39, 10793952), (48, 8770086), (52, 8095464), (54, 7795632), (62, 6789744), (72, 5846724), (78, 5396976), (81, 5197088), (93, 4526496), (96, 4385043), (104, 4047732), (108, 3897816), (117, 3597984), (124, 3394872), (144, 2923362), (156, 2698488), (162, 2598544), (169, 2490912), (186, 2263248), (208, 2023866), (216, 1948908), (234, 1798992), (248, 1697436), (279, 1508832), (288, 1461681), (312, 1349244), (324, 1299272), (338, 1245456), (351, 1199328), (372, 1131624), (403, 1044576), (416, 1011933), (432, 974454), (468, 899496), (496, 848718), (507, 830304), (558, 754416), (624, 674622), (648, 649636), (676, 622728), (702, 599664), (744, 565812), (806, 522288), (837, 502944), (864, 487227), (936, 449748), (961, 438048), (992, 424359), (1014, 415152), (1053, 399776), (1116, 377208), (1209, 348192), (1248, 337311), (1296, 324818), (1352, 311364), (1404, 299832), (1488, 282906), (1521, 276768), (1612, 261144), (1674, 251472), (1872, 224874), (1922, 219024), (2028, 207576), (2106, 199888), (2232, 188604), (2418, 174096), (2511, 167648), (2592, 162409), (2704, 155682), (2808, 149916), (2883, 146016), (2976, 141453), (3042, 138384), (3224, 130572), (3348, 125736), (3627, 116064), (3744, 112437), (3844, 109512), (4056, 103788), (4212, 99944), (4464, 94302), (4563, 92256), (4836, 87048), (5022, 83824), (5239, 80352), (5408, 77841), (5616, 74958), (5766, 73008), (6084, 69192), (6448, 65286), (6696, 62868), (7254, 58032), (7688, 54756), (8112, 51894), (8424, 49972), (8649, 48672), (8928, 47151), (9126, 46128), (9672, 43524), (10044, 41912), (10478, 40176), (10881, 38688), (11232, 37479), (11532, 36504), (12168, 34596), (12493, 33696), (12896, 32643), (13392, 31434), (13689, 30752), (14508, 29016), (15376, 27378), (15717, 26784), (16224, 25947), (16848, 24986), (17298, 24336), (18252, 23064), (19344, 21762), (20088, 20956)]