81561312

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1759}}^1$

素因数の和:1805

約数の個数: 144

約数和(自身を含む): 276756480

約数和(自身を除く): 195195168

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 23, 24, 28, 32, 36, 42, 46, 48, 56, 63, 69, 72, 84, 92, 96, 112, 126, 138, 144, 161, 168, 184, 207, 224, 252, 276, 288, 322, 336, 368, 414, 483, 504, 552, 644, 672, 736, 828, 966, 1008, 1104, 1288, 1449, 1656, 1759, 1932, 2016, 2208, 2576, 2898, 3312, 3518, 3864, 5152, 5277, 5796, 6624, 7036, 7728, 10554, 11592, 12313, 14072, 15456, 15831, 21108, 23184, 24626, 28144, 31662, 36939, 40457, 42216, 46368, 49252, 56288, 63324, 73878, 80914, 84432, 98504, 110817, 121371, 126648, 147756, 161828, 168864, 197008, 221634, 242742, 253296, 283199, 295512, 323656, 364113, 394016, 443268, 485484, 506592, 566398, 591024, 647312, 728226, 849597, 886536, 970968, 1132796, 1182048, 1294624, 1456452, 1699194, 1773072, 1941936, 2265592, 2548791, 2912904, 3398388, 3546144, 3883872, 4531184, 5097582, 5825808, 6796776, 9062368, 10195164, 11651616, 13593552, 20390328, 27187104, 40780656, 81561312]

約数ペア:

[(1, 81561312), (2, 40780656), (3, 27187104), (4, 20390328), (6, 13593552), (7, 11651616), (8, 10195164), (9, 9062368), (12, 6796776), (14, 5825808), (16, 5097582), (18, 4531184), (21, 3883872), (23, 3546144), (24, 3398388), (28, 2912904), (32, 2548791), (36, 2265592), (42, 1941936), (46, 1773072), (48, 1699194), (56, 1456452), (63, 1294624), (69, 1182048), (72, 1132796), (84, 970968), (92, 886536), (96, 849597), (112, 728226), (126, 647312), (138, 591024), (144, 566398), (161, 506592), (168, 485484), (184, 443268), (207, 394016), (224, 364113), (252, 323656), (276, 295512), (288, 283199), (322, 253296), (336, 242742), (368, 221634), (414, 197008), (483, 168864), (504, 161828), (552, 147756), (644, 126648), (672, 121371), (736, 110817), (828, 98504), (966, 84432), (1008, 80914), (1104, 73878), (1288, 63324), (1449, 56288), (1656, 49252), (1759, 46368), (1932, 42216), (2016, 40457), (2208, 36939), (2576, 31662), (2898, 28144), (3312, 24626), (3518, 23184), (3864, 21108), (5152, 15831), (5277, 15456), (5796, 14072), (6624, 12313), (7036, 11592), (7728, 10554)]