81013968

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{179}}^1\times {\mathrm{449}}^1$

素因数の和:649

約数の個数: 120

約数和(自身を含む): 261144000

約数和(自身を除く): 180130032

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 56, 63, 72, 84, 112, 126, 144, 168, 179, 252, 336, 358, 449, 504, 537, 716, 898, 1008, 1074, 1253, 1347, 1432, 1611, 1796, 2148, 2506, 2694, 2864, 3143, 3222, 3592, 3759, 4041, 4296, 5012, 5388, 6286, 6444, 7184, 7518, 8082, 8592, 9429, 10024, 10776, 11277, 12572, 12888, 15036, 16164, 18858, 20048, 21552, 22554, 25144, 25776, 28287, 30072, 32328, 37716, 45108, 50288, 56574, 60144, 64656, 75432, 80371, 90216, 113148, 150864, 160742, 180432, 226296, 241113, 321484, 452592, 482226, 562597, 642968, 723339, 964452, 1125194, 1285936, 1446678, 1687791, 1928904, 2250388, 2893356, 3375582, 3857808, 4500776, 5063373, 5786712, 6751164, 9001552, 10126746, 11573424, 13502328, 20253492, 27004656, 40506984, 81013968]

約数ペア:

[(1, 81013968), (2, 40506984), (3, 27004656), (4, 20253492), (6, 13502328), (7, 11573424), (8, 10126746), (9, 9001552), (12, 6751164), (14, 5786712), (16, 5063373), (18, 4500776), (21, 3857808), (24, 3375582), (28, 2893356), (36, 2250388), (42, 1928904), (48, 1687791), (56, 1446678), (63, 1285936), (72, 1125194), (84, 964452), (112, 723339), (126, 642968), (144, 562597), (168, 482226), (179, 452592), (252, 321484), (336, 241113), (358, 226296), (449, 180432), (504, 160742), (537, 150864), (716, 113148), (898, 90216), (1008, 80371), (1074, 75432), (1253, 64656), (1347, 60144), (1432, 56574), (1611, 50288), (1796, 45108), (2148, 37716), (2506, 32328), (2694, 30072), (2864, 28287), (3143, 25776), (3222, 25144), (3592, 22554), (3759, 21552), (4041, 20048), (4296, 18858), (5012, 16164), (5388, 15036), (6286, 12888), (6444, 12572), (7184, 11277), (7518, 10776), (8082, 10024), (8592, 9429)]