81756864

素因数分解:

$2^6\times 3^5\times 7^1\times {\mathrm{751}}^1$

素因数の和:785

約数の個数: 168

約数和(自身を含む): 278107648

約数和(自身を除く): 196350784

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 54, 56, 63, 64, 72, 81, 84, 96, 108, 112, 126, 144, 162, 168, 189, 192, 216, 224, 243, 252, 288, 324, 336, 378, 432, 448, 486, 504, 567, 576, 648, 672, 751, 756, 864, 972, 1008, 1134, 1296, 1344, 1502, 1512, 1701, 1728, 1944, 2016, 2253, 2268, 2592, 3004, 3024, 3402, 3888, 4032, 4506, 4536, 5184, 5257, 6008, 6048, 6759, 6804, 7776, 9012, 9072, 10514, 12016, 12096, 13518, 13608, 15552, 15771, 18024, 18144, 20277, 21028, 24032, 27036, 27216, 31542, 36048, 36288, 40554, 42056, 47313, 48064, 54072, 54432, 60831, 63084, 72096, 81108, 84112, 94626, 108144, 108864, 121662, 126168, 141939, 144192, 162216, 168224, 182493, 189252, 216288, 243324, 252336, 283878, 324432, 336448, 364986, 378504, 425817, 432576, 486648, 504672, 567756, 648864, 729972, 757008, 851634, 973296, 1009344, 1135512, 1277451, 1297728, 1459944, 1514016, 1703268, 1946592, 2271024, 2554902, 2919888, 3028032, 3406536, 3893184, 4542048, 5109804, 5839776, 6813072, 9084096, 10219608, 11679552, 13626144, 20439216, 27252288, 40878432, 81756864]

約数ペア:

[(1, 81756864), (2, 40878432), (3, 27252288), (4, 20439216), (6, 13626144), (7, 11679552), (8, 10219608), (9, 9084096), (12, 6813072), (14, 5839776), (16, 5109804), (18, 4542048), (21, 3893184), (24, 3406536), (27, 3028032), (28, 2919888), (32, 2554902), (36, 2271024), (42, 1946592), (48, 1703268), (54, 1514016), (56, 1459944), (63, 1297728), (64, 1277451), (72, 1135512), (81, 1009344), (84, 973296), (96, 851634), (108, 757008), (112, 729972), (126, 648864), (144, 567756), (162, 504672), (168, 486648), (189, 432576), (192, 425817), (216, 378504), (224, 364986), (243, 336448), (252, 324432), (288, 283878), (324, 252336), (336, 243324), (378, 216288), (432, 189252), (448, 182493), (486, 168224), (504, 162216), (567, 144192), (576, 141939), (648, 126168), (672, 121662), (751, 108864), (756, 108144), (864, 94626), (972, 84112), (1008, 81108), (1134, 72096), (1296, 63084), (1344, 60831), (1502, 54432), (1512, 54072), (1701, 48064), (1728, 47313), (1944, 42056), (2016, 40554), (2253, 36288), (2268, 36048), (2592, 31542), (3004, 27216), (3024, 27036), (3402, 24032), (3888, 21028), (4032, 20277), (4506, 18144), (4536, 18024), (5184, 15771), (5257, 15552), (6008, 13608), (6048, 13518), (6759, 12096), (6804, 12016), (7776, 10514), (9012, 9072)]