278651808

素因数分解:

$2^5\times 3^2\times {\mathrm{23}}^2\times {\mathrm{31}}^1\times {\mathrm{59}}^1$

素因数の和:152

約数の個数: 216

約数和(自身を含む): 869581440

約数和(自身を除く): 590929632

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 31, 32, 36, 46, 48, 59, 62, 69, 72, 92, 93, 96, 118, 124, 138, 144, 177, 184, 186, 207, 236, 248, 276, 279, 288, 354, 368, 372, 414, 472, 496, 529, 531, 552, 558, 708, 713, 736, 744, 828, 944, 992, 1058, 1062, 1104, 1116, 1357, 1416, 1426, 1488, 1587, 1656, 1829, 1888, 2116, 2124, 2139, 2208, 2232, 2714, 2832, 2852, 2976, 3174, 3312, 3658, 4071, 4232, 4248, 4278, 4464, 4761, 5428, 5487, 5664, 5704, 6348, 6417, 6624, 7316, 8142, 8464, 8496, 8556, 8928, 9522, 10856, 10974, 11408, 12213, 12696, 12834, 14632, 16284, 16399, 16461, 16928, 16992, 17112, 19044, 21712, 21948, 22816, 24426, 25392, 25668, 29264, 31211, 32568, 32798, 32922, 34224, 38088, 42067, 43424, 43896, 48852, 49197, 50784, 51336, 58528, 62422, 65136, 65596, 65844, 68448, 76176, 84134, 87792, 93633, 97704, 98394, 102672, 124844, 126201, 130272, 131192, 131688, 147591, 152352, 168268, 175584, 187266, 195408, 196788, 205344, 249688, 252402, 262384, 263376, 280899, 295182, 336536, 374532, 378603, 390816, 393576, 499376, 504804, 524768, 526752, 561798, 590364, 673072, 749064, 757206, 787152, 967541, 998752, 1009608, 1123596, 1180728, 1346144, 1498128, 1514412, 1574304, 1935082, 2019216, 2247192, 2361456, 2902623, 2996256, 3028824, 3870164, 4038432, 4494384, 4722912, 5805246, 6057648, 7740328, 8707869, 8988768, 11610492, 12115296, 15480656, 17415738, 23220984, 30961312, 34831476, 46441968, 69662952, 92883936, 139325904, 278651808]

約数ペア:

[(1, 278651808), (2, 139325904), (3, 92883936), (4, 69662952), (6, 46441968), (8, 34831476), (9, 30961312), (12, 23220984), (16, 17415738), (18, 15480656), (23, 12115296), (24, 11610492), (31, 8988768), (32, 8707869), (36, 7740328), (46, 6057648), (48, 5805246), (59, 4722912), (62, 4494384), (69, 4038432), (72, 3870164), (92, 3028824), (93, 2996256), (96, 2902623), (118, 2361456), (124, 2247192), (138, 2019216), (144, 1935082), (177, 1574304), (184, 1514412), (186, 1498128), (207, 1346144), (236, 1180728), (248, 1123596), (276, 1009608), (279, 998752), (288, 967541), (354, 787152), (368, 757206), (372, 749064), (414, 673072), (472, 590364), (496, 561798), (529, 526752), (531, 524768), (552, 504804), (558, 499376), (708, 393576), (713, 390816), (736, 378603), (744, 374532), (828, 336536), (944, 295182), (992, 280899), (1058, 263376), (1062, 262384), (1104, 252402), (1116, 249688), (1357, 205344), (1416, 196788), (1426, 195408), (1488, 187266), (1587, 175584), (1656, 168268), (1829, 152352), (1888, 147591), (2116, 131688), (2124, 131192), (2139, 130272), (2208, 126201), (2232, 124844), (2714, 102672), (2832, 98394), (2852, 97704), (2976, 93633), (3174, 87792), (3312, 84134), (3658, 76176), (4071, 68448), (4232, 65844), (4248, 65596), (4278, 65136), (4464, 62422), (4761, 58528), (5428, 51336), (5487, 50784), (5664, 49197), (5704, 48852), (6348, 43896), (6417, 43424), (6624, 42067), (7316, 38088), (8142, 34224), (8464, 32922), (8496, 32798), (8556, 32568), (8928, 31211), (9522, 29264), (10856, 25668), (10974, 25392), (11408, 24426), (12213, 22816), (12696, 21948), (12834, 21712), (14632, 19044), (16284, 17112), (16399, 16992), (16461, 16928)]