256212768

素因数分解:

$2^5\times 3^1\times 7^3\times {\mathrm{31}}^1\times {\mathrm{251}}^1$

素因数の和:316

約数の個数: 192

約数和(自身を含む): 812851200

約数和(自身を除く): 556638432

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 31, 32, 42, 48, 49, 56, 62, 84, 93, 96, 98, 112, 124, 147, 168, 186, 196, 217, 224, 248, 251, 294, 336, 343, 372, 392, 434, 496, 502, 588, 651, 672, 686, 744, 753, 784, 868, 992, 1004, 1029, 1176, 1302, 1372, 1488, 1506, 1519, 1568, 1736, 1757, 2008, 2058, 2352, 2604, 2744, 2976, 3012, 3038, 3472, 3514, 4016, 4116, 4557, 4704, 5208, 5271, 5488, 6024, 6076, 6944, 7028, 7781, 8032, 8232, 9114, 10416, 10542, 10633, 10976, 12048, 12152, 12299, 14056, 15562, 16464, 18228, 20832, 21084, 21266, 23343, 24096, 24304, 24598, 28112, 31124, 31899, 32928, 36456, 36897, 42168, 42532, 46686, 48608, 49196, 54467, 56224, 62248, 63798, 72912, 73794, 84336, 85064, 86093, 93372, 98392, 108934, 124496, 127596, 145824, 147588, 163401, 168672, 170128, 172186, 186744, 196784, 217868, 248992, 255192, 258279, 295176, 326802, 340256, 344372, 373488, 381269, 393568, 435736, 510384, 516558, 590352, 653604, 688744, 746976, 762538, 871472, 1020768, 1033116, 1143807, 1180704, 1307208, 1377488, 1525076, 1742944, 2066232, 2287614, 2614416, 2668883, 2754976, 3050152, 4132464, 4575228, 5228832, 5337766, 6100304, 8006649, 8264928, 9150456, 10675532, 12200608, 16013298, 18300912, 21351064, 32026596, 36601824, 42702128, 64053192, 85404256, 128106384, 256212768]

約数ペア:

[(1, 256212768), (2, 128106384), (3, 85404256), (4, 64053192), (6, 42702128), (7, 36601824), (8, 32026596), (12, 21351064), (14, 18300912), (16, 16013298), (21, 12200608), (24, 10675532), (28, 9150456), (31, 8264928), (32, 8006649), (42, 6100304), (48, 5337766), (49, 5228832), (56, 4575228), (62, 4132464), (84, 3050152), (93, 2754976), (96, 2668883), (98, 2614416), (112, 2287614), (124, 2066232), (147, 1742944), (168, 1525076), (186, 1377488), (196, 1307208), (217, 1180704), (224, 1143807), (248, 1033116), (251, 1020768), (294, 871472), (336, 762538), (343, 746976), (372, 688744), (392, 653604), (434, 590352), (496, 516558), (502, 510384), (588, 435736), (651, 393568), (672, 381269), (686, 373488), (744, 344372), (753, 340256), (784, 326802), (868, 295176), (992, 258279), (1004, 255192), (1029, 248992), (1176, 217868), (1302, 196784), (1372, 186744), (1488, 172186), (1506, 170128), (1519, 168672), (1568, 163401), (1736, 147588), (1757, 145824), (2008, 127596), (2058, 124496), (2352, 108934), (2604, 98392), (2744, 93372), (2976, 86093), (3012, 85064), (3038, 84336), (3472, 73794), (3514, 72912), (4016, 63798), (4116, 62248), (4557, 56224), (4704, 54467), (5208, 49196), (5271, 48608), (5488, 46686), (6024, 42532), (6076, 42168), (6944, 36897), (7028, 36456), (7781, 32928), (8032, 31899), (8232, 31124), (9114, 28112), (10416, 24598), (10542, 24304), (10633, 24096), (10976, 23343), (12048, 21266), (12152, 21084), (12299, 20832), (14056, 18228), (15562, 16464)]