257342904

素因数分解:

$2^3\times 3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1$

素因数の和:251

約数の個数: 288

約数和(自身を含む): 906272640

約数和(自身を除く): 648929736

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 18, 21, 24, 26, 28, 31, 36, 39, 42, 49, 52, 56, 62, 63, 72, 78, 84, 91, 93, 98, 104, 117, 124, 126, 147, 156, 168, 181, 182, 186, 196, 217, 234, 248, 252, 273, 279, 294, 312, 362, 364, 372, 392, 403, 434, 441, 468, 504, 543, 546, 558, 588, 637, 651, 724, 728, 744, 806, 819, 868, 882, 936, 1086, 1092, 1116, 1176, 1209, 1267, 1274, 1302, 1448, 1519, 1612, 1629, 1638, 1736, 1764, 1911, 1953, 2172, 2184, 2232, 2353, 2418, 2534, 2548, 2604, 2821, 3038, 3224, 3258, 3276, 3528, 3627, 3801, 3822, 3906, 4344, 4557, 4706, 4836, 5068, 5096, 5208, 5611, 5642, 5733, 6076, 6516, 6552, 7059, 7254, 7602, 7644, 7812, 8463, 8869, 9114, 9412, 9672, 10136, 11222, 11284, 11403, 11466, 12152, 13032, 13671, 14118, 14508, 15204, 15288, 15624, 16471, 16833, 16926, 17738, 18228, 18824, 19747, 21177, 22444, 22568, 22806, 22932, 25389, 26607, 27342, 28236, 29016, 30408, 32942, 33666, 33852, 35476, 36456, 39277, 39494, 42354, 44888, 45612, 45864, 49413, 50499, 50778, 53214, 54684, 56472, 59241, 65884, 67332, 67704, 70952, 72943, 78554, 78988, 79821, 84708, 91224, 98826, 100998, 101556, 106428, 109368, 115297, 117831, 118482, 131768, 134664, 145886, 148239, 157108, 157976, 159642, 169416, 177723, 197652, 201996, 203112, 212856, 218829, 230594, 235662, 236964, 274939, 291772, 296478, 314216, 319284, 345891, 353493, 355446, 395304, 403992, 437658, 461188, 471324, 473928, 510601, 549878, 583544, 592956, 638568, 656487, 691782, 706986, 710892, 824817, 875316, 922376, 942648, 1021202, 1037673, 1099756, 1185912, 1312974, 1383564, 1413972, 1421784, 1531803, 1649634, 1750632, 2042404, 2075346, 2199512, 2474451, 2625948, 2767128, 2827944, 3063606, 3299268, 3574207, 4084808, 4150692, 4595409, 4948902, 5251896, 6127212, 6598536, 7148414, 8301384, 9190818, 9897804, 10722621, 12254424, 14296828, 18381636, 19795608, 21445242, 28593656, 32167863, 36763272, 42890484, 64335726, 85780968, 128671452, 257342904]

約数ペア:

[(1, 257342904), (2, 128671452), (3, 85780968), (4, 64335726), (6, 42890484), (7, 36763272), (8, 32167863), (9, 28593656), (12, 21445242), (13, 19795608), (14, 18381636), (18, 14296828), (21, 12254424), (24, 10722621), (26, 9897804), (28, 9190818), (31, 8301384), (36, 7148414), (39, 6598536), (42, 6127212), (49, 5251896), (52, 4948902), (56, 4595409), (62, 4150692), (63, 4084808), (72, 3574207), (78, 3299268), (84, 3063606), (91, 2827944), (93, 2767128), (98, 2625948), (104, 2474451), (117, 2199512), (124, 2075346), (126, 2042404), (147, 1750632), (156, 1649634), (168, 1531803), (181, 1421784), (182, 1413972), (186, 1383564), (196, 1312974), (217, 1185912), (234, 1099756), (248, 1037673), (252, 1021202), (273, 942648), (279, 922376), (294, 875316), (312, 824817), (362, 710892), (364, 706986), (372, 691782), (392, 656487), (403, 638568), (434, 592956), (441, 583544), (468, 549878), (504, 510601), (543, 473928), (546, 471324), (558, 461188), (588, 437658), (637, 403992), (651, 395304), (724, 355446), (728, 353493), (744, 345891), (806, 319284), (819, 314216), (868, 296478), (882, 291772), (936, 274939), (1086, 236964), (1092, 235662), (1116, 230594), (1176, 218829), (1209, 212856), (1267, 203112), (1274, 201996), (1302, 197652), (1448, 177723), (1519, 169416), (1612, 159642), (1629, 157976), (1638, 157108), (1736, 148239), (1764, 145886), (1911, 134664), (1953, 131768), (2172, 118482), (2184, 117831), (2232, 115297), (2353, 109368), (2418, 106428), (2534, 101556), (2548, 100998), (2604, 98826), (2821, 91224), (3038, 84708), (3224, 79821), (3258, 78988), (3276, 78554), (3528, 72943), (3627, 70952), (3801, 67704), (3822, 67332), (3906, 65884), (4344, 59241), (4557, 56472), (4706, 54684), (4836, 53214), (5068, 50778), (5096, 50499), (5208, 49413), (5611, 45864), (5642, 45612), (5733, 44888), (6076, 42354), (6516, 39494), (6552, 39277), (7059, 36456), (7254, 35476), (7602, 33852), (7644, 33666), (7812, 32942), (8463, 30408), (8869, 29016), (9114, 28236), (9412, 27342), (9672, 26607), (10136, 25389), (11222, 22932), (11284, 22806), (11403, 22568), (11466, 22444), (12152, 21177), (13032, 19747), (13671, 18824), (14118, 18228), (14508, 17738), (15204, 16926), (15288, 16833), (15624, 16471)]