256965984

素因数分解:

$2^5\times 3^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{2797}}^1$

素因数の和:2853

約数の個数: 144

約数和(自身を含む): 824962320

約数和(自身を除く): 567996336

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 29, 32, 33, 36, 44, 48, 58, 66, 72, 87, 88, 96, 99, 116, 132, 144, 174, 176, 198, 232, 261, 264, 288, 319, 348, 352, 396, 464, 522, 528, 638, 696, 792, 928, 957, 1044, 1056, 1276, 1392, 1584, 1914, 2088, 2552, 2784, 2797, 2871, 3168, 3828, 4176, 5104, 5594, 5742, 7656, 8352, 8391, 10208, 11188, 11484, 15312, 16782, 22376, 22968, 25173, 30624, 30767, 33564, 44752, 45936, 50346, 61534, 67128, 81113, 89504, 91872, 92301, 100692, 123068, 134256, 162226, 184602, 201384, 243339, 246136, 268512, 276903, 324452, 369204, 402768, 486678, 492272, 553806, 648904, 730017, 738408, 805536, 892243, 973356, 984544, 1107612, 1297808, 1460034, 1476816, 1784486, 1946712, 2215224, 2595616, 2676729, 2920068, 2953632, 3568972, 3893424, 4430448, 5353458, 5840136, 7137944, 7786848, 8030187, 8860896, 10706916, 11680272, 14275888, 16060374, 21413832, 23360544, 28551776, 32120748, 42827664, 64241496, 85655328, 128482992, 256965984]

約数ペア:

[(1, 256965984), (2, 128482992), (3, 85655328), (4, 64241496), (6, 42827664), (8, 32120748), (9, 28551776), (11, 23360544), (12, 21413832), (16, 16060374), (18, 14275888), (22, 11680272), (24, 10706916), (29, 8860896), (32, 8030187), (33, 7786848), (36, 7137944), (44, 5840136), (48, 5353458), (58, 4430448), (66, 3893424), (72, 3568972), (87, 2953632), (88, 2920068), (96, 2676729), (99, 2595616), (116, 2215224), (132, 1946712), (144, 1784486), (174, 1476816), (176, 1460034), (198, 1297808), (232, 1107612), (261, 984544), (264, 973356), (288, 892243), (319, 805536), (348, 738408), (352, 730017), (396, 648904), (464, 553806), (522, 492272), (528, 486678), (638, 402768), (696, 369204), (792, 324452), (928, 276903), (957, 268512), (1044, 246136), (1056, 243339), (1276, 201384), (1392, 184602), (1584, 162226), (1914, 134256), (2088, 123068), (2552, 100692), (2784, 92301), (2797, 91872), (2871, 89504), (3168, 81113), (3828, 67128), (4176, 61534), (5104, 50346), (5594, 45936), (5742, 44752), (7656, 33564), (8352, 30767), (8391, 30624), (10208, 25173), (11188, 22968), (11484, 22376), (15312, 16782)]