20180781312

素因数分解:

$2^8\times 3^1\times {\mathrm{79}}^1\times {\mathrm{487}}^1\times {\mathrm{683}}^1$

素因数の和:1268

約数の個数: 144

約数和(自身を含む): 54581667840

約数和(自身を除く): 34400886528

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 79, 96, 128, 158, 192, 237, 256, 316, 384, 474, 487, 632, 683, 768, 948, 974, 1264, 1366, 1461, 1896, 1948, 2049, 2528, 2732, 2922, 3792, 3896, 4098, 5056, 5464, 5844, 7584, 7792, 8196, 10112, 10928, 11688, 15168, 15584, 16392, 20224, 21856, 23376, 30336, 31168, 32784, 38473, 43712, 46752, 53957, 60672, 62336, 65568, 76946, 87424, 93504, 107914, 115419, 124672, 131136, 153892, 161871, 174848, 187008, 215828, 230838, 262272, 307784, 323742, 332621, 374016, 431656, 461676, 524544, 615568, 647484, 665242, 863312, 923352, 997863, 1231136, 1294968, 1330484, 1726624, 1846704, 1995726, 2462272, 2589936, 2660968, 3453248, 3693408, 3991452, 4924544, 5179872, 5321936, 6906496, 7386816, 7982904, 9849088, 10359744, 10643872, 13812992, 14773632, 15965808, 20719488, 21287744, 26277059, 29547264, 31931616, 41438976, 42575488, 52554118, 63863232, 78831177, 85150976, 105108236, 127726464, 157662354, 210216472, 255452928, 315324708, 420432944, 630649416, 840865888, 1261298832, 1681731776, 2522597664, 3363463552, 5045195328, 6726927104, 10090390656, 20180781312]

約数ペア:

[(1, 20180781312), (2, 10090390656), (3, 6726927104), (4, 5045195328), (6, 3363463552), (8, 2522597664), (12, 1681731776), (16, 1261298832), (24, 840865888), (32, 630649416), (48, 420432944), (64, 315324708), (79, 255452928), (96, 210216472), (128, 157662354), (158, 127726464), (192, 105108236), (237, 85150976), (256, 78831177), (316, 63863232), (384, 52554118), (474, 42575488), (487, 41438976), (632, 31931616), (683, 29547264), (768, 26277059), (948, 21287744), (974, 20719488), (1264, 15965808), (1366, 14773632), (1461, 13812992), (1896, 10643872), (1948, 10359744), (2049, 9849088), (2528, 7982904), (2732, 7386816), (2922, 6906496), (3792, 5321936), (3896, 5179872), (4098, 4924544), (5056, 3991452), (5464, 3693408), (5844, 3453248), (7584, 2660968), (7792, 2589936), (8196, 2462272), (10112, 1995726), (10928, 1846704), (11688, 1726624), (15168, 1330484), (15584, 1294968), (16392, 1231136), (20224, 997863), (21856, 923352), (23376, 863312), (30336, 665242), (31168, 647484), (32784, 615568), (38473, 524544), (43712, 461676), (46752, 431656), (53957, 374016), (60672, 332621), (62336, 323742), (65568, 307784), (76946, 262272), (87424, 230838), (93504, 215828), (107914, 187008), (115419, 174848), (124672, 161871), (131136, 153892)]