720703872

素因数分解:

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

素因数の和:123

約数の個数: 256

約数和(自身を含む): 2511974400

約数和(自身を除く): 1791270528

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 31, 32, 36, 42, 48, 54, 56, 62, 63, 64, 72, 84, 93, 96, 108, 112, 124, 126, 128, 144, 168, 186, 189, 192, 216, 217, 224, 248, 252, 279, 288, 336, 372, 378, 384, 432, 434, 448, 496, 504, 558, 576, 651, 672, 744, 756, 837, 864, 868, 896, 961, 992, 1008, 1116, 1152, 1302, 1344, 1488, 1512, 1674, 1728, 1736, 1922, 1953, 1984, 2016, 2232, 2604, 2688, 2883, 2976, 3024, 3348, 3456, 3472, 3844, 3906, 3968, 4032, 4464, 5208, 5766, 5859, 5952, 6048, 6696, 6727, 6944, 7688, 7812, 8064, 8649, 8928, 10416, 11532, 11718, 11904, 12096, 13392, 13454, 13888, 15376, 15624, 17298, 17856, 20181, 20832, 23064, 23436, 24192, 25947, 26784, 26908, 27776, 29791, 30752, 31248, 34596, 35712, 40362, 41664, 46128, 46872, 51894, 53568, 53816, 59582, 60543, 61504, 62496, 69192, 80724, 83328, 89373, 92256, 93744, 103788, 107136, 107632, 119164, 121086, 123008, 124992, 138384, 161448, 178746, 181629, 184512, 187488, 207576, 208537, 215264, 238328, 242172, 249984, 268119, 276768, 322896, 357492, 363258, 369024, 374976, 415152, 417074, 430528, 476656, 484344, 536238, 553536, 625611, 645792, 714984, 726516, 749952, 804357, 830304, 834148, 861056, 953312, 968688, 1072476, 1107072, 1251222, 1291584, 1429968, 1453032, 1608714, 1660608, 1668296, 1876833, 1906624, 1937376, 2144952, 2502444, 2583168, 2859936, 2906064, 3217428, 3321216, 3336592, 3753666, 3813248, 3874752, 4289904, 5004888, 5630499, 5719872, 5812128, 6434856, 6673184, 7507332, 7749504, 8579808, 10009776, 11260998, 11439744, 11624256, 12869712, 13346368, 15014664, 17159616, 20019552, 22521996, 23248512, 25739424, 26692736, 30029328, 34319232, 40039104, 45043992, 51478848, 60058656, 80078208, 90087984, 102957696, 120117312, 180175968, 240234624, 360351936, 720703872]

約数ペア:

[(1, 720703872), (2, 360351936), (3, 240234624), (4, 180175968), (6, 120117312), (7, 102957696), (8, 90087984), (9, 80078208), (12, 60058656), (14, 51478848), (16, 45043992), (18, 40039104), (21, 34319232), (24, 30029328), (27, 26692736), (28, 25739424), (31, 23248512), (32, 22521996), (36, 20019552), (42, 17159616), (48, 15014664), (54, 13346368), (56, 12869712), (62, 11624256), (63, 11439744), (64, 11260998), (72, 10009776), (84, 8579808), (93, 7749504), (96, 7507332), (108, 6673184), (112, 6434856), (124, 5812128), (126, 5719872), (128, 5630499), (144, 5004888), (168, 4289904), (186, 3874752), (189, 3813248), (192, 3753666), (216, 3336592), (217, 3321216), (224, 3217428), (248, 2906064), (252, 2859936), (279, 2583168), (288, 2502444), (336, 2144952), (372, 1937376), (378, 1906624), (384, 1876833), (432, 1668296), (434, 1660608), (448, 1608714), (496, 1453032), (504, 1429968), (558, 1291584), (576, 1251222), (651, 1107072), (672, 1072476), (744, 968688), (756, 953312), (837, 861056), (864, 834148), (868, 830304), (896, 804357), (961, 749952), (992, 726516), (1008, 714984), (1116, 645792), (1152, 625611), (1302, 553536), (1344, 536238), (1488, 484344), (1512, 476656), (1674, 430528), (1728, 417074), (1736, 415152), (1922, 374976), (1953, 369024), (1984, 363258), (2016, 357492), (2232, 322896), (2604, 276768), (2688, 268119), (2883, 249984), (2976, 242172), (3024, 238328), (3348, 215264), (3456, 208537), (3472, 207576), (3844, 187488), (3906, 184512), (3968, 181629), (4032, 178746), (4464, 161448), (5208, 138384), (5766, 124992), (5859, 123008), (5952, 121086), (6048, 119164), (6696, 107632), (6727, 107136), (6944, 103788), (7688, 93744), (7812, 92256), (8064, 89373), (8649, 83328), (8928, 80724), (10416, 69192), (11532, 62496), (11718, 61504), (11904, 60543), (12096, 59582), (13392, 53816), (13454, 53568), (13888, 51894), (15376, 46872), (15624, 46128), (17298, 41664), (17856, 40362), (20181, 35712), (20832, 34596), (23064, 31248), (23436, 30752), (24192, 29791), (25947, 27776), (26784, 26908)]