81328968

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{19}}^2\times {\mathrm{149}}^1$

素因数の和:209

約数の個数: 192

約数和(自身を含む): 274320000

約数和(自身を除く): 192991032

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 19, 21, 24, 27, 28, 36, 38, 42, 54, 56, 57, 63, 72, 76, 84, 108, 114, 126, 133, 149, 152, 168, 171, 189, 216, 228, 252, 266, 298, 342, 361, 378, 399, 447, 456, 504, 513, 532, 596, 684, 722, 756, 798, 894, 1026, 1043, 1064, 1083, 1192, 1197, 1341, 1368, 1444, 1512, 1596, 1788, 2052, 2086, 2166, 2394, 2527, 2682, 2831, 2888, 3129, 3192, 3249, 3576, 3591, 4023, 4104, 4172, 4332, 4788, 5054, 5364, 5662, 6258, 6498, 7182, 7581, 8046, 8344, 8493, 8664, 9387, 9576, 9747, 10108, 10728, 11324, 12516, 12996, 14364, 15162, 16092, 16986, 18774, 19494, 19817, 20216, 22648, 22743, 25032, 25479, 25992, 28161, 28728, 30324, 32184, 33972, 37548, 38988, 39634, 45486, 50958, 53789, 56322, 59451, 60648, 67944, 68229, 75096, 76437, 77976, 79268, 90972, 101916, 107578, 112644, 118902, 136458, 152874, 158536, 161367, 178353, 181944, 203832, 215156, 225288, 237804, 272916, 305748, 322734, 356706, 376523, 430312, 475608, 484101, 535059, 545832, 611496, 645468, 713412, 753046, 968202, 1070118, 1129569, 1290936, 1426824, 1452303, 1506092, 1936404, 2140236, 2259138, 2904606, 3012184, 3388707, 3872808, 4280472, 4518276, 5809212, 6777414, 9036552, 10166121, 11618424, 13554828, 20332242, 27109656, 40664484, 81328968]

約数ペア:

[(1, 81328968), (2, 40664484), (3, 27109656), (4, 20332242), (6, 13554828), (7, 11618424), (8, 10166121), (9, 9036552), (12, 6777414), (14, 5809212), (18, 4518276), (19, 4280472), (21, 3872808), (24, 3388707), (27, 3012184), (28, 2904606), (36, 2259138), (38, 2140236), (42, 1936404), (54, 1506092), (56, 1452303), (57, 1426824), (63, 1290936), (72, 1129569), (76, 1070118), (84, 968202), (108, 753046), (114, 713412), (126, 645468), (133, 611496), (149, 545832), (152, 535059), (168, 484101), (171, 475608), (189, 430312), (216, 376523), (228, 356706), (252, 322734), (266, 305748), (298, 272916), (342, 237804), (361, 225288), (378, 215156), (399, 203832), (447, 181944), (456, 178353), (504, 161367), (513, 158536), (532, 152874), (596, 136458), (684, 118902), (722, 112644), (756, 107578), (798, 101916), (894, 90972), (1026, 79268), (1043, 77976), (1064, 76437), (1083, 75096), (1192, 68229), (1197, 67944), (1341, 60648), (1368, 59451), (1444, 56322), (1512, 53789), (1596, 50958), (1788, 45486), (2052, 39634), (2086, 38988), (2166, 37548), (2394, 33972), (2527, 32184), (2682, 30324), (2831, 28728), (2888, 28161), (3129, 25992), (3192, 25479), (3249, 25032), (3576, 22743), (3591, 22648), (4023, 20216), (4104, 19817), (4172, 19494), (4332, 18774), (4788, 16986), (5054, 16092), (5364, 15162), (5662, 14364), (6258, 12996), (6498, 12516), (7182, 11324), (7581, 10728), (8046, 10108), (8344, 9747), (8493, 9576), (8664, 9387)]