81078144

素因数分解:

$2^7\times 3^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{139}}^1$

素因数の和:201

約数の個数: 192

約数和(自身を含む): 260467200

約数和(自身を除く): 179389056

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 31, 32, 42, 48, 49, 56, 62, 64, 84, 93, 96, 98, 112, 124, 128, 139, 147, 168, 186, 192, 196, 217, 224, 248, 278, 294, 336, 372, 384, 392, 417, 434, 448, 496, 556, 588, 651, 672, 744, 784, 834, 868, 896, 973, 992, 1112, 1176, 1302, 1344, 1488, 1519, 1568, 1668, 1736, 1946, 1984, 2224, 2352, 2604, 2688, 2919, 2976, 3038, 3136, 3336, 3472, 3892, 3968, 4309, 4448, 4557, 4704, 5208, 5838, 5952, 6076, 6272, 6672, 6811, 6944, 7784, 8618, 8896, 9114, 9408, 10416, 11676, 11904, 12152, 12927, 13344, 13622, 13888, 15568, 17236, 17792, 18228, 18816, 20433, 20832, 23352, 24304, 25854, 26688, 27244, 27776, 30163, 31136, 34472, 36456, 40866, 41664, 46704, 48608, 51708, 53376, 54488, 60326, 62272, 68944, 72912, 81732, 83328, 90489, 93408, 97216, 103416, 108976, 120652, 124544, 137888, 145824, 163464, 180978, 186816, 194432, 206832, 211141, 217952, 241304, 275776, 291648, 326928, 361956, 373632, 413664, 422282, 435904, 482608, 551552, 583296, 633423, 653856, 723912, 827328, 844564, 871808, 965216, 1266846, 1307712, 1447824, 1654656, 1689128, 1930432, 2533692, 2615424, 2895648, 3378256, 3860864, 5067384, 5791296, 6756512, 10134768, 11582592, 13513024, 20269536, 27026048, 40539072, 81078144]

約数ペア:

[(1, 81078144), (2, 40539072), (3, 27026048), (4, 20269536), (6, 13513024), (7, 11582592), (8, 10134768), (12, 6756512), (14, 5791296), (16, 5067384), (21, 3860864), (24, 3378256), (28, 2895648), (31, 2615424), (32, 2533692), (42, 1930432), (48, 1689128), (49, 1654656), (56, 1447824), (62, 1307712), (64, 1266846), (84, 965216), (93, 871808), (96, 844564), (98, 827328), (112, 723912), (124, 653856), (128, 633423), (139, 583296), (147, 551552), (168, 482608), (186, 435904), (192, 422282), (196, 413664), (217, 373632), (224, 361956), (248, 326928), (278, 291648), (294, 275776), (336, 241304), (372, 217952), (384, 211141), (392, 206832), (417, 194432), (434, 186816), (448, 180978), (496, 163464), (556, 145824), (588, 137888), (651, 124544), (672, 120652), (744, 108976), (784, 103416), (834, 97216), (868, 93408), (896, 90489), (973, 83328), (992, 81732), (1112, 72912), (1176, 68944), (1302, 62272), (1344, 60326), (1488, 54488), (1519, 53376), (1568, 51708), (1668, 48608), (1736, 46704), (1946, 41664), (1984, 40866), (2224, 36456), (2352, 34472), (2604, 31136), (2688, 30163), (2919, 27776), (2976, 27244), (3038, 26688), (3136, 25854), (3336, 24304), (3472, 23352), (3892, 20832), (3968, 20433), (4309, 18816), (4448, 18228), (4557, 17792), (4704, 17236), (5208, 15568), (5838, 13888), (5952, 13622), (6076, 13344), (6272, 12927), (6672, 12152), (6811, 11904), (6944, 11676), (7784, 10416), (8618, 9408), (8896, 9114)]