1680718816

素因数分解:

$2^5\times 7^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{487}}^1$

素因数の和:613

約数の個数: 144

約数和(自身を含む): 4037548032

約数和(自身を除く): 2356829216

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 49, 56, 62, 71, 98, 112, 124, 142, 196, 217, 224, 248, 284, 392, 434, 487, 496, 497, 568, 784, 868, 974, 992, 994, 1136, 1519, 1568, 1736, 1948, 1988, 2201, 2272, 3038, 3409, 3472, 3479, 3896, 3976, 4402, 6076, 6818, 6944, 6958, 7792, 7952, 8804, 12152, 13636, 13916, 15097, 15407, 15584, 15904, 17608, 23863, 24304, 27272, 27832, 30194, 30814, 34577, 35216, 47726, 48608, 54544, 55664, 60388, 61628, 69154, 70432, 95452, 105679, 107849, 109088, 111328, 120776, 123256, 138308, 190904, 211358, 215698, 241552, 242039, 246512, 276616, 381808, 422716, 431396, 483104, 484078, 493024, 553232, 739753, 763616, 845432, 862792, 968156, 1071887, 1106464, 1479506, 1690864, 1694273, 1725584, 1936312, 2143774, 2959012, 3381728, 3388546, 3451168, 3872624, 4287548, 5918024, 6777092, 7503209, 7745248, 8575096, 11836048, 13554184, 15006418, 17150192, 23672096, 27108368, 30012836, 34300384, 52522463, 54216736, 60025672, 105044926, 120051344, 210089852, 240102688, 420179704, 840359408, 1680718816]

約数ペア:

[(1, 1680718816), (2, 840359408), (4, 420179704), (7, 240102688), (8, 210089852), (14, 120051344), (16, 105044926), (28, 60025672), (31, 54216736), (32, 52522463), (49, 34300384), (56, 30012836), (62, 27108368), (71, 23672096), (98, 17150192), (112, 15006418), (124, 13554184), (142, 11836048), (196, 8575096), (217, 7745248), (224, 7503209), (248, 6777092), (284, 5918024), (392, 4287548), (434, 3872624), (487, 3451168), (496, 3388546), (497, 3381728), (568, 2959012), (784, 2143774), (868, 1936312), (974, 1725584), (992, 1694273), (994, 1690864), (1136, 1479506), (1519, 1106464), (1568, 1071887), (1736, 968156), (1948, 862792), (1988, 845432), (2201, 763616), (2272, 739753), (3038, 553232), (3409, 493024), (3472, 484078), (3479, 483104), (3896, 431396), (3976, 422716), (4402, 381808), (6076, 276616), (6818, 246512), (6944, 242039), (6958, 241552), (7792, 215698), (7952, 211358), (8804, 190904), (12152, 138308), (13636, 123256), (13916, 120776), (15097, 111328), (15407, 109088), (15584, 107849), (15904, 105679), (17608, 95452), (23863, 70432), (24304, 69154), (27272, 61628), (27832, 60388), (30194, 55664), (30814, 54544), (34577, 48608), (35216, 47726)]