81609216

素因数分解:

$2^9\times 3^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1$

素因数の和:162

約数の個数: 160

約数和(自身を含む): 241526208

約数和(自身を除く): 159916992

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 61, 64, 67, 78, 96, 104, 122, 128, 134, 156, 183, 192, 201, 208, 244, 256, 268, 312, 366, 384, 402, 416, 488, 512, 536, 624, 732, 768, 793, 804, 832, 871, 976, 1072, 1248, 1464, 1536, 1586, 1608, 1664, 1742, 1952, 2144, 2379, 2496, 2613, 2928, 3172, 3216, 3328, 3484, 3904, 4087, 4288, 4758, 4992, 5226, 5856, 6344, 6432, 6656, 6968, 7808, 8174, 8576, 9516, 9984, 10452, 11712, 12261, 12688, 12864, 13936, 15616, 16348, 17152, 19032, 19968, 20904, 23424, 24522, 25376, 25728, 27872, 31232, 32696, 34304, 38064, 41808, 46848, 49044, 50752, 51456, 53131, 55744, 65392, 76128, 83616, 93696, 98088, 101504, 102912, 106262, 111488, 130784, 152256, 159393, 167232, 196176, 203008, 212524, 222976, 261568, 304512, 318786, 334464, 392352, 406016, 425048, 445952, 523136, 609024, 637572, 668928, 784704, 850096, 1046272, 1218048, 1275144, 1337856, 1569408, 1700192, 2092544, 2550288, 3138816, 3400384, 5100576, 6277632, 6800768, 10201152, 13601536, 20402304, 27203072, 40804608, 81609216]

約数ペア:

[(1, 81609216), (2, 40804608), (3, 27203072), (4, 20402304), (6, 13601536), (8, 10201152), (12, 6800768), (13, 6277632), (16, 5100576), (24, 3400384), (26, 3138816), (32, 2550288), (39, 2092544), (48, 1700192), (52, 1569408), (61, 1337856), (64, 1275144), (67, 1218048), (78, 1046272), (96, 850096), (104, 784704), (122, 668928), (128, 637572), (134, 609024), (156, 523136), (183, 445952), (192, 425048), (201, 406016), (208, 392352), (244, 334464), (256, 318786), (268, 304512), (312, 261568), (366, 222976), (384, 212524), (402, 203008), (416, 196176), (488, 167232), (512, 159393), (536, 152256), (624, 130784), (732, 111488), (768, 106262), (793, 102912), (804, 101504), (832, 98088), (871, 93696), (976, 83616), (1072, 76128), (1248, 65392), (1464, 55744), (1536, 53131), (1586, 51456), (1608, 50752), (1664, 49044), (1742, 46848), (1952, 41808), (2144, 38064), (2379, 34304), (2496, 32696), (2613, 31232), (2928, 27872), (3172, 25728), (3216, 25376), (3328, 24522), (3484, 23424), (3904, 20904), (4087, 19968), (4288, 19032), (4758, 17152), (4992, 16348), (5226, 15616), (5856, 13936), (6344, 12864), (6432, 12688), (6656, 12261), (6968, 11712), (7808, 10452), (8174, 9984), (8576, 9516)]