1991165760

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{317}}^1\times {\mathrm{727}}^1$

素因数の和:1070

約数の個数: 224

約数和(自身を含む): 7056241920

約数和(自身を除く): 5065076160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 108, 120, 135, 144, 160, 180, 192, 216, 240, 270, 288, 317, 320, 360, 432, 480, 540, 576, 634, 720, 727, 864, 951, 960, 1080, 1268, 1440, 1454, 1585, 1728, 1902, 2160, 2181, 2536, 2853, 2880, 2908, 3170, 3635, 3804, 4320, 4362, 4755, 5072, 5706, 5816, 6340, 6543, 7270, 7608, 8559, 8640, 8724, 9510, 10144, 10905, 11412, 11632, 12680, 13086, 14265, 14540, 15216, 17118, 17448, 19020, 19629, 20288, 21810, 22824, 23264, 25360, 26172, 28530, 29080, 30432, 32715, 34236, 34896, 38040, 39258, 42795, 43620, 45648, 46528, 50720, 52344, 57060, 58160, 60864, 65430, 68472, 69792, 76080, 78516, 85590, 87240, 91296, 98145, 101440, 104688, 114120, 116320, 130860, 136944, 139584, 152160, 157032, 171180, 174480, 182592, 196290, 209376, 228240, 230459, 232640, 261720, 273888, 304320, 314064, 342360, 348960, 392580, 418752, 456480, 460918, 523440, 547776, 628128, 684720, 691377, 697920, 785160, 912960, 921836, 1046880, 1152295, 1256256, 1369440, 1382754, 1570320, 1843672, 2074131, 2093760, 2304590, 2738880, 2765508, 3140640, 3456885, 3687344, 4148262, 4609180, 5531016, 6222393, 6281280, 6913770, 7374688, 8296524, 9218360, 10370655, 11062032, 12444786, 13827540, 14749376, 16593048, 18436720, 20741310, 22124064, 24889572, 27655080, 31111965, 33186096, 36873440, 41482620, 44248128, 49779144, 55310160, 62223930, 66372192, 73746880, 82965240, 99558288, 110620320, 124447860, 132744384, 165930480, 199116576, 221240640, 248895720, 331860960, 398233152, 497791440, 663721920, 995582880, 1991165760]

約数ペア:

[(1, 1991165760), (2, 995582880), (3, 663721920), (4, 497791440), (5, 398233152), (6, 331860960), (8, 248895720), (9, 221240640), (10, 199116576), (12, 165930480), (15, 132744384), (16, 124447860), (18, 110620320), (20, 99558288), (24, 82965240), (27, 73746880), (30, 66372192), (32, 62223930), (36, 55310160), (40, 49779144), (45, 44248128), (48, 41482620), (54, 36873440), (60, 33186096), (64, 31111965), (72, 27655080), (80, 24889572), (90, 22124064), (96, 20741310), (108, 18436720), (120, 16593048), (135, 14749376), (144, 13827540), (160, 12444786), (180, 11062032), (192, 10370655), (216, 9218360), (240, 8296524), (270, 7374688), (288, 6913770), (317, 6281280), (320, 6222393), (360, 5531016), (432, 4609180), (480, 4148262), (540, 3687344), (576, 3456885), (634, 3140640), (720, 2765508), (727, 2738880), (864, 2304590), (951, 2093760), (960, 2074131), (1080, 1843672), (1268, 1570320), (1440, 1382754), (1454, 1369440), (1585, 1256256), (1728, 1152295), (1902, 1046880), (2160, 921836), (2181, 912960), (2536, 785160), (2853, 697920), (2880, 691377), (2908, 684720), (3170, 628128), (3635, 547776), (3804, 523440), (4320, 460918), (4362, 456480), (4755, 418752), (5072, 392580), (5706, 348960), (5816, 342360), (6340, 314064), (6543, 304320), (7270, 273888), (7608, 261720), (8559, 232640), (8640, 230459), (8724, 228240), (9510, 209376), (10144, 196290), (10905, 182592), (11412, 174480), (11632, 171180), (12680, 157032), (13086, 152160), (14265, 139584), (14540, 136944), (15216, 130860), (17118, 116320), (17448, 114120), (19020, 104688), (19629, 101440), (20288, 98145), (21810, 91296), (22824, 87240), (23264, 85590), (25360, 78516), (26172, 76080), (28530, 69792), (29080, 68472), (30432, 65430), (32715, 60864), (34236, 58160), (34896, 57060), (38040, 52344), (39258, 50720), (42795, 46528), (43620, 45648)]