256020072

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1$

素因数の和:208

約数の個数: 256

約数和(自身を含む): 851558400

約数和(自身を除く): 595538328

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 21, 22, 24, 28, 31, 33, 41, 42, 44, 56, 62, 66, 77, 82, 84, 88, 93, 109, 123, 124, 132, 154, 164, 168, 186, 217, 218, 231, 246, 248, 264, 287, 308, 327, 328, 341, 372, 434, 436, 451, 462, 492, 574, 616, 651, 654, 682, 744, 763, 861, 868, 872, 902, 924, 984, 1023, 1148, 1199, 1271, 1302, 1308, 1353, 1364, 1526, 1722, 1736, 1804, 1848, 2046, 2289, 2296, 2387, 2398, 2542, 2604, 2616, 2706, 2728, 3052, 3157, 3379, 3444, 3597, 3608, 3813, 4092, 4469, 4578, 4774, 4796, 5084, 5208, 5412, 6104, 6314, 6758, 6888, 7161, 7194, 7626, 8184, 8393, 8897, 8938, 9156, 9471, 9548, 9592, 10137, 10168, 10824, 12628, 13407, 13516, 13981, 14322, 14388, 15252, 16786, 17794, 17876, 18312, 18942, 19096, 20274, 23653, 25179, 25256, 26691, 26814, 27032, 27962, 28644, 28776, 30504, 31283, 33572, 35588, 35752, 37169, 37884, 40548, 41943, 47306, 49159, 50358, 53382, 53628, 55924, 57288, 62566, 67144, 70959, 71176, 74338, 75768, 81096, 83886, 93849, 94612, 97867, 98318, 100716, 106764, 107256, 111507, 111848, 125132, 138539, 141918, 147477, 148676, 167772, 187698, 189224, 195734, 196636, 201432, 213528, 223014, 250264, 260183, 277078, 283836, 293601, 294954, 297352, 335544, 344113, 375396, 391468, 393272, 415617, 446028, 520366, 554156, 567672, 587202, 589908, 688226, 750792, 780549, 782936, 831234, 892056, 969773, 1032339, 1040732, 1108312, 1174404, 1179816, 1376452, 1523929, 1561098, 1662468, 1939546, 2064678, 2081464, 2348808, 2752904, 2909319, 3047858, 3122196, 3324936, 3879092, 4129356, 4571787, 5818638, 6095716, 6244392, 7758184, 8258712, 9143574, 10667503, 11637276, 12191432, 18287148, 21335006, 23274552, 32002509, 36574296, 42670012, 64005018, 85340024, 128010036, 256020072]

約数ペア:

[(1, 256020072), (2, 128010036), (3, 85340024), (4, 64005018), (6, 42670012), (7, 36574296), (8, 32002509), (11, 23274552), (12, 21335006), (14, 18287148), (21, 12191432), (22, 11637276), (24, 10667503), (28, 9143574), (31, 8258712), (33, 7758184), (41, 6244392), (42, 6095716), (44, 5818638), (56, 4571787), (62, 4129356), (66, 3879092), (77, 3324936), (82, 3122196), (84, 3047858), (88, 2909319), (93, 2752904), (109, 2348808), (123, 2081464), (124, 2064678), (132, 1939546), (154, 1662468), (164, 1561098), (168, 1523929), (186, 1376452), (217, 1179816), (218, 1174404), (231, 1108312), (246, 1040732), (248, 1032339), (264, 969773), (287, 892056), (308, 831234), (327, 782936), (328, 780549), (341, 750792), (372, 688226), (434, 589908), (436, 587202), (451, 567672), (462, 554156), (492, 520366), (574, 446028), (616, 415617), (651, 393272), (654, 391468), (682, 375396), (744, 344113), (763, 335544), (861, 297352), (868, 294954), (872, 293601), (902, 283836), (924, 277078), (984, 260183), (1023, 250264), (1148, 223014), (1199, 213528), (1271, 201432), (1302, 196636), (1308, 195734), (1353, 189224), (1364, 187698), (1526, 167772), (1722, 148676), (1736, 147477), (1804, 141918), (1848, 138539), (2046, 125132), (2289, 111848), (2296, 111507), (2387, 107256), (2398, 106764), (2542, 100716), (2604, 98318), (2616, 97867), (2706, 94612), (2728, 93849), (3052, 83886), (3157, 81096), (3379, 75768), (3444, 74338), (3597, 71176), (3608, 70959), (3813, 67144), (4092, 62566), (4469, 57288), (4578, 55924), (4774, 53628), (4796, 53382), (5084, 50358), (5208, 49159), (5412, 47306), (6104, 41943), (6314, 40548), (6758, 37884), (6888, 37169), (7161, 35752), (7194, 35588), (7626, 33572), (8184, 31283), (8393, 30504), (8897, 28776), (8938, 28644), (9156, 27962), (9471, 27032), (9548, 26814), (9592, 26691), (10137, 25256), (10168, 25179), (10824, 23653), (12628, 20274), (13407, 19096), (13516, 18942), (13981, 18312), (14322, 17876), (14388, 17794), (15252, 16786)]