280731136

素因数分解:

$2^9\times 7^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1$

素因数の和:164

約数の個数: 160

約数和(自身を含む): 690402240

約数和(自身を除く): 409671104

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 32, 37, 56, 58, 64, 73, 74, 112, 116, 128, 146, 148, 203, 224, 232, 256, 259, 292, 296, 406, 448, 464, 511, 512, 518, 584, 592, 812, 896, 928, 1022, 1036, 1073, 1168, 1184, 1624, 1792, 1856, 2044, 2072, 2117, 2146, 2336, 2368, 2701, 3248, 3584, 3712, 4088, 4144, 4234, 4292, 4672, 4736, 5402, 6496, 7424, 7511, 8176, 8288, 8468, 8584, 9344, 9472, 10804, 12992, 14819, 14848, 15022, 16352, 16576, 16936, 17168, 18688, 18907, 18944, 21608, 25984, 29638, 30044, 32704, 33152, 33872, 34336, 37376, 37814, 43216, 51968, 59276, 60088, 65408, 66304, 67744, 68672, 75628, 78329, 86432, 103936, 118552, 120176, 130816, 132608, 135488, 137344, 151256, 156658, 172864, 237104, 240352, 261632, 270976, 274688, 302512, 313316, 345728, 474208, 480704, 541952, 548303, 549376, 605024, 626632, 691456, 948416, 961408, 1083904, 1096606, 1210048, 1253264, 1382912, 1896832, 1922816, 2193212, 2420096, 2506528, 3793664, 3845632, 4386424, 4840192, 5013056, 7587328, 8772848, 9680384, 10026112, 17545696, 20052224, 35091392, 40104448, 70182784, 140365568, 280731136]

約数ペア:

[(1, 280731136), (2, 140365568), (4, 70182784), (7, 40104448), (8, 35091392), (14, 20052224), (16, 17545696), (28, 10026112), (29, 9680384), (32, 8772848), (37, 7587328), (56, 5013056), (58, 4840192), (64, 4386424), (73, 3845632), (74, 3793664), (112, 2506528), (116, 2420096), (128, 2193212), (146, 1922816), (148, 1896832), (203, 1382912), (224, 1253264), (232, 1210048), (256, 1096606), (259, 1083904), (292, 961408), (296, 948416), (406, 691456), (448, 626632), (464, 605024), (511, 549376), (512, 548303), (518, 541952), (584, 480704), (592, 474208), (812, 345728), (896, 313316), (928, 302512), (1022, 274688), (1036, 270976), (1073, 261632), (1168, 240352), (1184, 237104), (1624, 172864), (1792, 156658), (1856, 151256), (2044, 137344), (2072, 135488), (2117, 132608), (2146, 130816), (2336, 120176), (2368, 118552), (2701, 103936), (3248, 86432), (3584, 78329), (3712, 75628), (4088, 68672), (4144, 67744), (4234, 66304), (4292, 65408), (4672, 60088), (4736, 59276), (5402, 51968), (6496, 43216), (7424, 37814), (7511, 37376), (8176, 34336), (8288, 33872), (8468, 33152), (8584, 32704), (9344, 30044), (9472, 29638), (10804, 25984), (12992, 21608), (14819, 18944), (14848, 18907), (15022, 18688), (16352, 17168), (16576, 16936)]