1320318272

素因数分解:

$2^6\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1$

素因数の和:237

約数の個数: 224

約数和(自身を含む): 3408297984

約数和(自身を除く): 2087979712

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 31, 32, 52, 56, 62, 64, 71, 91, 103, 104, 112, 124, 142, 182, 206, 208, 217, 224, 248, 284, 364, 403, 412, 416, 434, 448, 496, 497, 568, 721, 728, 806, 824, 832, 868, 923, 992, 994, 1136, 1339, 1442, 1456, 1612, 1648, 1736, 1846, 1984, 1988, 2201, 2272, 2678, 2821, 2884, 2912, 3193, 3224, 3296, 3472, 3692, 3976, 4402, 4544, 5356, 5642, 5768, 5824, 6386, 6448, 6461, 6592, 6944, 7313, 7384, 7952, 8804, 9373, 10712, 11284, 11536, 12772, 12896, 12922, 13888, 14626, 14768, 15407, 15904, 17608, 18746, 21424, 22351, 22568, 23072, 25544, 25792, 25844, 28613, 29252, 29536, 30814, 31808, 35216, 37492, 41509, 42848, 44702, 45136, 46144, 51088, 51191, 51688, 57226, 58504, 59072, 61628, 70432, 74984, 83018, 85696, 89404, 90272, 95069, 102176, 102382, 103376, 114452, 117008, 123256, 140864, 149968, 166036, 178808, 180544, 190138, 200291, 204352, 204764, 206752, 226703, 228904, 234016, 246512, 290563, 299936, 332072, 357616, 380276, 400582, 409528, 413504, 453406, 457808, 468032, 493024, 581126, 599872, 664144, 665483, 715232, 760552, 801164, 819056, 906812, 915616, 986048, 1162252, 1328288, 1330966, 1430464, 1521104, 1586921, 1602328, 1638112, 1813624, 1831232, 2324504, 2656576, 2661932, 2947139, 3042208, 3173842, 3204656, 3276224, 3627248, 4649008, 5323864, 5894278, 6084416, 6347684, 6409312, 7254496, 9298016, 10647728, 11788556, 12695368, 12818624, 14508992, 18596032, 20629973, 21295456, 23577112, 25390736, 41259946, 42590912, 47154224, 50781472, 82519892, 94308448, 101562944, 165039784, 188616896, 330079568, 660159136, 1320318272]

約数ペア:

[(1, 1320318272), (2, 660159136), (4, 330079568), (7, 188616896), (8, 165039784), (13, 101562944), (14, 94308448), (16, 82519892), (26, 50781472), (28, 47154224), (31, 42590912), (32, 41259946), (52, 25390736), (56, 23577112), (62, 21295456), (64, 20629973), (71, 18596032), (91, 14508992), (103, 12818624), (104, 12695368), (112, 11788556), (124, 10647728), (142, 9298016), (182, 7254496), (206, 6409312), (208, 6347684), (217, 6084416), (224, 5894278), (248, 5323864), (284, 4649008), (364, 3627248), (403, 3276224), (412, 3204656), (416, 3173842), (434, 3042208), (448, 2947139), (496, 2661932), (497, 2656576), (568, 2324504), (721, 1831232), (728, 1813624), (806, 1638112), (824, 1602328), (832, 1586921), (868, 1521104), (923, 1430464), (992, 1330966), (994, 1328288), (1136, 1162252), (1339, 986048), (1442, 915616), (1456, 906812), (1612, 819056), (1648, 801164), (1736, 760552), (1846, 715232), (1984, 665483), (1988, 664144), (2201, 599872), (2272, 581126), (2678, 493024), (2821, 468032), (2884, 457808), (2912, 453406), (3193, 413504), (3224, 409528), (3296, 400582), (3472, 380276), (3692, 357616), (3976, 332072), (4402, 299936), (4544, 290563), (5356, 246512), (5642, 234016), (5768, 228904), (5824, 226703), (6386, 206752), (6448, 204764), (6461, 204352), (6592, 200291), (6944, 190138), (7313, 180544), (7384, 178808), (7952, 166036), (8804, 149968), (9373, 140864), (10712, 123256), (11284, 117008), (11536, 114452), (12772, 103376), (12896, 102382), (12922, 102176), (13888, 95069), (14626, 90272), (14768, 89404), (15407, 85696), (15904, 83018), (17608, 74984), (18746, 70432), (21424, 61628), (22351, 59072), (22568, 58504), (23072, 57226), (25544, 51688), (25792, 51191), (25844, 51088), (28613, 46144), (29252, 45136), (29536, 44702), (30814, 42848), (31808, 41509), (35216, 37492)]