265278720

素因数分解:

$2^8\times 3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:241

約数の個数: 288

約数和(自身を含む): 988968960

約数和(自身を除く): 723690240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 71, 80, 84, 96, 105, 112, 120, 128, 139, 140, 142, 160, 168, 192, 210, 213, 224, 240, 256, 278, 280, 284, 320, 336, 355, 384, 417, 420, 426, 448, 480, 497, 556, 560, 568, 640, 672, 695, 710, 768, 834, 840, 852, 896, 960, 973, 994, 1065, 1112, 1120, 1136, 1280, 1344, 1390, 1420, 1491, 1668, 1680, 1704, 1792, 1920, 1946, 1988, 2085, 2130, 2224, 2240, 2272, 2485, 2688, 2780, 2840, 2919, 2982, 3336, 3360, 3408, 3840, 3892, 3976, 4170, 4260, 4448, 4480, 4544, 4865, 4970, 5376, 5560, 5680, 5838, 5964, 6672, 6720, 6816, 7455, 7784, 7952, 8340, 8520, 8896, 8960, 9088, 9730, 9869, 9940, 11120, 11360, 11676, 11928, 13344, 13440, 13632, 14595, 14910, 15568, 15904, 16680, 17040, 17792, 18176, 19460, 19738, 19880, 22240, 22720, 23352, 23856, 26688, 26880, 27264, 29190, 29607, 29820, 31136, 31808, 33360, 34080, 35584, 38920, 39476, 39760, 44480, 45440, 46704, 47712, 49345, 53376, 54528, 58380, 59214, 59640, 62272, 63616, 66720, 68160, 69083, 77840, 78952, 79520, 88960, 90880, 93408, 95424, 98690, 106752, 116760, 118428, 119280, 124544, 127232, 133440, 136320, 138166, 148035, 155680, 157904, 159040, 177920, 186816, 190848, 197380, 207249, 233520, 236856, 238560, 249088, 266880, 272640, 276332, 296070, 311360, 315808, 318080, 345415, 373632, 381696, 394760, 414498, 467040, 473712, 477120, 533760, 552664, 592140, 622720, 631616, 636160, 690830, 747264, 789520, 828996, 934080, 947424, 954240, 1036245, 1105328, 1184280, 1245440, 1263232, 1381660, 1579040, 1657992, 1868160, 1894848, 1908480, 2072490, 2210656, 2368560, 2526464, 2763320, 3158080, 3315984, 3736320, 3789696, 4144980, 4421312, 4737120, 5526640, 6316160, 6631968, 7579392, 8289960, 8842624, 9474240, 11053280, 12632320, 13263936, 16579920, 17685248, 18948480, 22106560, 26527872, 33159840, 37896960, 44213120, 53055744, 66319680, 88426240, 132639360, 265278720]

約数ペア:

[(1, 265278720), (2, 132639360), (3, 88426240), (4, 66319680), (5, 53055744), (6, 44213120), (7, 37896960), (8, 33159840), (10, 26527872), (12, 22106560), (14, 18948480), (15, 17685248), (16, 16579920), (20, 13263936), (21, 12632320), (24, 11053280), (28, 9474240), (30, 8842624), (32, 8289960), (35, 7579392), (40, 6631968), (42, 6316160), (48, 5526640), (56, 4737120), (60, 4421312), (64, 4144980), (70, 3789696), (71, 3736320), (80, 3315984), (84, 3158080), (96, 2763320), (105, 2526464), (112, 2368560), (120, 2210656), (128, 2072490), (139, 1908480), (140, 1894848), (142, 1868160), (160, 1657992), (168, 1579040), (192, 1381660), (210, 1263232), (213, 1245440), (224, 1184280), (240, 1105328), (256, 1036245), (278, 954240), (280, 947424), (284, 934080), (320, 828996), (336, 789520), (355, 747264), (384, 690830), (417, 636160), (420, 631616), (426, 622720), (448, 592140), (480, 552664), (497, 533760), (556, 477120), (560, 473712), (568, 467040), (640, 414498), (672, 394760), (695, 381696), (710, 373632), (768, 345415), (834, 318080), (840, 315808), (852, 311360), (896, 296070), (960, 276332), (973, 272640), (994, 266880), (1065, 249088), (1112, 238560), (1120, 236856), (1136, 233520), (1280, 207249), (1344, 197380), (1390, 190848), (1420, 186816), (1491, 177920), (1668, 159040), (1680, 157904), (1704, 155680), (1792, 148035), (1920, 138166), (1946, 136320), (1988, 133440), (2085, 127232), (2130, 124544), (2224, 119280), (2240, 118428), (2272, 116760), (2485, 106752), (2688, 98690), (2780, 95424), (2840, 93408), (2919, 90880), (2982, 88960), (3336, 79520), (3360, 78952), (3408, 77840), (3840, 69083), (3892, 68160), (3976, 66720), (4170, 63616), (4260, 62272), (4448, 59640), (4480, 59214), (4544, 58380), (4865, 54528), (4970, 53376), (5376, 49345), (5560, 47712), (5680, 46704), (5838, 45440), (5964, 44480), (6672, 39760), (6720, 39476), (6816, 38920), (7455, 35584), (7784, 34080), (7952, 33360), (8340, 31808), (8520, 31136), (8896, 29820), (8960, 29607), (9088, 29190), (9730, 27264), (9869, 26880), (9940, 26688), (11120, 23856), (11360, 23352), (11676, 22720), (11928, 22240), (13344, 19880), (13440, 19738), (13632, 19460), (14595, 18176), (14910, 17792), (15568, 17040), (15904, 16680)]