261683712

素因数分解:

$2^9\times 3^2\times {\mathrm{109}}^1\times {\mathrm{521}}^1$

素因数の和:654

約数の個数: 120

約数和(自身を含む): 763628580

約数和(自身を除く): 501944868

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 109, 128, 144, 192, 218, 256, 288, 327, 384, 436, 512, 521, 576, 654, 768, 872, 981, 1042, 1152, 1308, 1536, 1563, 1744, 1962, 2084, 2304, 2616, 3126, 3488, 3924, 4168, 4608, 4689, 5232, 6252, 6976, 7848, 8336, 9378, 10464, 12504, 13952, 15696, 16672, 18756, 20928, 25008, 27904, 31392, 33344, 37512, 41856, 50016, 55808, 56789, 62784, 66688, 75024, 83712, 100032, 113578, 125568, 133376, 150048, 167424, 170367, 200064, 227156, 251136, 266752, 300096, 340734, 400128, 454312, 502272, 511101, 600192, 681468, 800256, 908624, 1022202, 1200384, 1362936, 1817248, 2044404, 2400768, 2725872, 3634496, 4088808, 5451744, 7268992, 8177616, 10903488, 14537984, 16355232, 21806976, 29075968, 32710464, 43613952, 65420928, 87227904, 130841856, 261683712]

約数ペア:

[(1, 261683712), (2, 130841856), (3, 87227904), (4, 65420928), (6, 43613952), (8, 32710464), (9, 29075968), (12, 21806976), (16, 16355232), (18, 14537984), (24, 10903488), (32, 8177616), (36, 7268992), (48, 5451744), (64, 4088808), (72, 3634496), (96, 2725872), (109, 2400768), (128, 2044404), (144, 1817248), (192, 1362936), (218, 1200384), (256, 1022202), (288, 908624), (327, 800256), (384, 681468), (436, 600192), (512, 511101), (521, 502272), (576, 454312), (654, 400128), (768, 340734), (872, 300096), (981, 266752), (1042, 251136), (1152, 227156), (1308, 200064), (1536, 170367), (1563, 167424), (1744, 150048), (1962, 133376), (2084, 125568), (2304, 113578), (2616, 100032), (3126, 83712), (3488, 75024), (3924, 66688), (4168, 62784), (4608, 56789), (4689, 55808), (5232, 50016), (6252, 41856), (6976, 37512), (7848, 33344), (8336, 31392), (9378, 27904), (10464, 25008), (12504, 20928), (13952, 18756), (15696, 16672)]