1681307568

素因数分解:

$2^4\times 3^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{461}}^1$

素因数の和:568

約数の個数: 240

約数和(自身を含む): 5242997760

約数和(自身を除く): 3561690192

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 31, 36, 38, 43, 48, 57, 62, 72, 76, 86, 93, 114, 124, 129, 144, 152, 171, 172, 186, 228, 248, 258, 279, 304, 342, 344, 372, 387, 456, 461, 496, 516, 558, 589, 684, 688, 744, 774, 817, 912, 922, 1032, 1116, 1178, 1333, 1368, 1383, 1488, 1548, 1634, 1767, 1844, 2064, 2232, 2356, 2451, 2666, 2736, 2766, 3096, 3268, 3534, 3688, 3999, 4149, 4464, 4712, 4902, 5301, 5332, 5532, 6192, 6536, 7068, 7353, 7376, 7998, 8298, 8759, 9424, 9804, 10602, 10664, 11064, 11997, 13072, 14136, 14291, 14706, 15996, 16596, 17518, 19608, 19823, 21204, 21328, 22128, 23994, 25327, 26277, 28272, 28582, 29412, 31992, 33192, 35036, 39216, 39646, 42408, 42873, 47988, 50654, 52554, 57164, 58824, 59469, 63984, 66384, 70072, 75981, 78831, 79292, 84816, 85746, 95976, 101308, 105108, 114328, 117648, 118938, 128619, 140144, 151962, 157662, 158584, 171492, 178407, 191952, 202616, 210216, 227943, 228656, 237876, 257238, 271529, 303924, 315324, 317168, 342984, 356814, 376637, 405232, 420432, 455886, 475752, 514476, 543058, 607848, 614513, 630648, 685968, 713628, 753274, 814587, 911772, 951504, 1028952, 1086116, 1129911, 1215696, 1229026, 1261296, 1427256, 1506548, 1629174, 1823544, 1843539, 2057904, 2172232, 2259822, 2443761, 2458052, 2854512, 3013096, 3258348, 3389733, 3647088, 3687078, 4344464, 4519644, 4887522, 4916104, 5530617, 6026192, 6516696, 6779466, 7374156, 9039288, 9775044, 9832208, 11061234, 11675747, 13033392, 13558932, 14748312, 18078576, 19550088, 22122468, 23351494, 27117864, 29496624, 35027241, 39100176, 44244936, 46702988, 54235728, 70054482, 88489872, 93405976, 105081723, 140108964, 186811952, 210163446, 280217928, 420326892, 560435856, 840653784, 1681307568]

約数ペア:

[(1, 1681307568), (2, 840653784), (3, 560435856), (4, 420326892), (6, 280217928), (8, 210163446), (9, 186811952), (12, 140108964), (16, 105081723), (18, 93405976), (19, 88489872), (24, 70054482), (31, 54235728), (36, 46702988), (38, 44244936), (43, 39100176), (48, 35027241), (57, 29496624), (62, 27117864), (72, 23351494), (76, 22122468), (86, 19550088), (93, 18078576), (114, 14748312), (124, 13558932), (129, 13033392), (144, 11675747), (152, 11061234), (171, 9832208), (172, 9775044), (186, 9039288), (228, 7374156), (248, 6779466), (258, 6516696), (279, 6026192), (304, 5530617), (342, 4916104), (344, 4887522), (372, 4519644), (387, 4344464), (456, 3687078), (461, 3647088), (496, 3389733), (516, 3258348), (558, 3013096), (589, 2854512), (684, 2458052), (688, 2443761), (744, 2259822), (774, 2172232), (817, 2057904), (912, 1843539), (922, 1823544), (1032, 1629174), (1116, 1506548), (1178, 1427256), (1333, 1261296), (1368, 1229026), (1383, 1215696), (1488, 1129911), (1548, 1086116), (1634, 1028952), (1767, 951504), (1844, 911772), (2064, 814587), (2232, 753274), (2356, 713628), (2451, 685968), (2666, 630648), (2736, 614513), (2766, 607848), (3096, 543058), (3268, 514476), (3534, 475752), (3688, 455886), (3999, 420432), (4149, 405232), (4464, 376637), (4712, 356814), (4902, 342984), (5301, 317168), (5332, 315324), (5532, 303924), (6192, 271529), (6536, 257238), (7068, 237876), (7353, 228656), (7376, 227943), (7998, 210216), (8298, 202616), (8759, 191952), (9424, 178407), (9804, 171492), (10602, 158584), (10664, 157662), (11064, 151962), (11997, 140144), (13072, 128619), (14136, 118938), (14291, 117648), (14706, 114328), (15996, 105108), (16596, 101308), (17518, 95976), (19608, 85746), (19823, 84816), (21204, 79292), (21328, 78831), (22128, 75981), (23994, 70072), (25327, 66384), (26277, 63984), (28272, 59469), (28582, 58824), (29412, 57164), (31992, 52554), (33192, 50654), (35036, 47988), (39216, 42873), (39646, 42408)]