268557216

素因数分解:

$2^5\times 3^1\times {\mathrm{31}}^2\times {\mathrm{41}}^1\times {\mathrm{71}}^1$

素因数の和:187

約数の個数: 144

約数和(自身を含む): 756713664

約数和(自身を除く): 488156448

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 32, 41, 48, 62, 71, 82, 93, 96, 123, 124, 142, 164, 186, 213, 246, 248, 284, 328, 372, 426, 492, 496, 568, 656, 744, 852, 961, 984, 992, 1136, 1271, 1312, 1488, 1704, 1922, 1968, 2201, 2272, 2542, 2883, 2911, 2976, 3408, 3813, 3844, 3936, 4402, 5084, 5766, 5822, 6603, 6816, 7626, 7688, 8733, 8804, 10168, 11532, 11644, 13206, 15252, 15376, 17466, 17608, 20336, 23064, 23288, 26412, 30504, 30752, 34932, 35216, 39401, 40672, 46128, 46576, 52824, 61008, 68231, 69864, 70432, 78802, 90241, 92256, 93152, 105648, 118203, 122016, 136462, 139728, 157604, 180482, 204693, 211296, 236406, 270723, 272924, 279456, 315208, 360964, 409386, 472812, 541446, 545848, 630416, 721928, 818772, 945624, 1082892, 1091696, 1260832, 1443856, 1637544, 1891248, 2165784, 2183392, 2797471, 2887712, 3275088, 3782496, 4331568, 5594942, 6550176, 8392413, 8663136, 11189884, 16784826, 22379768, 33569652, 44759536, 67139304, 89519072, 134278608, 268557216]

約数ペア:

[(1, 268557216), (2, 134278608), (3, 89519072), (4, 67139304), (6, 44759536), (8, 33569652), (12, 22379768), (16, 16784826), (24, 11189884), (31, 8663136), (32, 8392413), (41, 6550176), (48, 5594942), (62, 4331568), (71, 3782496), (82, 3275088), (93, 2887712), (96, 2797471), (123, 2183392), (124, 2165784), (142, 1891248), (164, 1637544), (186, 1443856), (213, 1260832), (246, 1091696), (248, 1082892), (284, 945624), (328, 818772), (372, 721928), (426, 630416), (492, 545848), (496, 541446), (568, 472812), (656, 409386), (744, 360964), (852, 315208), (961, 279456), (984, 272924), (992, 270723), (1136, 236406), (1271, 211296), (1312, 204693), (1488, 180482), (1704, 157604), (1922, 139728), (1968, 136462), (2201, 122016), (2272, 118203), (2542, 105648), (2883, 93152), (2911, 92256), (2976, 90241), (3408, 78802), (3813, 70432), (3844, 69864), (3936, 68231), (4402, 61008), (5084, 52824), (5766, 46576), (5822, 46128), (6603, 40672), (6816, 39401), (7626, 35216), (7688, 34932), (8733, 30752), (8804, 30504), (10168, 26412), (11532, 23288), (11644, 23064), (13206, 20336), (15252, 17608), (15376, 17466)]