257229072

素因数分解:

$2^4\times 3^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{1987}}^1$

素因数の和:2061

約数の個数: 120

約数和(自身を含む): 769117440

約数和(自身を除く): 511888368

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 29, 31, 36, 48, 58, 62, 72, 87, 93, 116, 124, 144, 174, 186, 232, 248, 261, 279, 348, 372, 464, 496, 522, 558, 696, 744, 899, 1044, 1116, 1392, 1488, 1798, 1987, 2088, 2232, 2697, 3596, 3974, 4176, 4464, 5394, 5961, 7192, 7948, 8091, 10788, 11922, 14384, 15896, 16182, 17883, 21576, 23844, 31792, 32364, 35766, 43152, 47688, 57623, 61597, 64728, 71532, 95376, 115246, 123194, 129456, 143064, 172869, 184791, 230492, 246388, 286128, 345738, 369582, 460984, 492776, 518607, 554373, 691476, 739164, 921968, 985552, 1037214, 1108746, 1382952, 1478328, 1786313, 2074428, 2217492, 2765904, 2956656, 3572626, 4148856, 4434984, 5358939, 7145252, 8297712, 8869968, 10717878, 14290504, 16076817, 21435756, 28581008, 32153634, 42871512, 64307268, 85743024, 128614536, 257229072]

約数ペア:

[(1, 257229072), (2, 128614536), (3, 85743024), (4, 64307268), (6, 42871512), (8, 32153634), (9, 28581008), (12, 21435756), (16, 16076817), (18, 14290504), (24, 10717878), (29, 8869968), (31, 8297712), (36, 7145252), (48, 5358939), (58, 4434984), (62, 4148856), (72, 3572626), (87, 2956656), (93, 2765904), (116, 2217492), (124, 2074428), (144, 1786313), (174, 1478328), (186, 1382952), (232, 1108746), (248, 1037214), (261, 985552), (279, 921968), (348, 739164), (372, 691476), (464, 554373), (496, 518607), (522, 492776), (558, 460984), (696, 369582), (744, 345738), (899, 286128), (1044, 246388), (1116, 230492), (1392, 184791), (1488, 172869), (1798, 143064), (1987, 129456), (2088, 123194), (2232, 115246), (2697, 95376), (3596, 71532), (3974, 64728), (4176, 61597), (4464, 57623), (5394, 47688), (5961, 43152), (7192, 35766), (7948, 32364), (8091, 31792), (10788, 23844), (11922, 21576), (14384, 17883), (15896, 16182)]