81186672

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1$

素因数の和:215

約数の個数: 160

約数和(自身を含む): 251983872

約数和(自身を除く): 170797200

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 47, 48, 53, 56, 84, 94, 97, 106, 112, 141, 159, 168, 188, 194, 212, 282, 291, 318, 329, 336, 371, 376, 388, 424, 564, 582, 636, 658, 679, 742, 752, 776, 848, 987, 1113, 1128, 1164, 1272, 1316, 1358, 1484, 1552, 1974, 2037, 2226, 2256, 2328, 2491, 2544, 2632, 2716, 2968, 3948, 4074, 4452, 4559, 4656, 4982, 5141, 5264, 5432, 5936, 7473, 7896, 8148, 8904, 9118, 9964, 10282, 10864, 13677, 14946, 15423, 15792, 16296, 17437, 17808, 18236, 19928, 20564, 27354, 29892, 30846, 31913, 32592, 34874, 35987, 36472, 39856, 41128, 52311, 54708, 59784, 61692, 63826, 69748, 71974, 72944, 82256, 95739, 104622, 107961, 109416, 119568, 123384, 127652, 139496, 143948, 191478, 209244, 215922, 218832, 241627, 246768, 255304, 278992, 287896, 382956, 418488, 431844, 483254, 510608, 575792, 724881, 765912, 836976, 863688, 966508, 1449762, 1531824, 1691389, 1727376, 1933016, 2899524, 3382778, 3866032, 5074167, 5799048, 6765556, 10148334, 11598096, 13531112, 20296668, 27062224, 40593336, 81186672]

約数ペア:

[(1, 81186672), (2, 40593336), (3, 27062224), (4, 20296668), (6, 13531112), (7, 11598096), (8, 10148334), (12, 6765556), (14, 5799048), (16, 5074167), (21, 3866032), (24, 3382778), (28, 2899524), (42, 1933016), (47, 1727376), (48, 1691389), (53, 1531824), (56, 1449762), (84, 966508), (94, 863688), (97, 836976), (106, 765912), (112, 724881), (141, 575792), (159, 510608), (168, 483254), (188, 431844), (194, 418488), (212, 382956), (282, 287896), (291, 278992), (318, 255304), (329, 246768), (336, 241627), (371, 218832), (376, 215922), (388, 209244), (424, 191478), (564, 143948), (582, 139496), (636, 127652), (658, 123384), (679, 119568), (742, 109416), (752, 107961), (776, 104622), (848, 95739), (987, 82256), (1113, 72944), (1128, 71974), (1164, 69748), (1272, 63826), (1316, 61692), (1358, 59784), (1484, 54708), (1552, 52311), (1974, 41128), (2037, 39856), (2226, 36472), (2256, 35987), (2328, 34874), (2491, 32592), (2544, 31913), (2632, 30846), (2716, 29892), (2968, 27354), (3948, 20564), (4074, 19928), (4452, 18236), (4559, 17808), (4656, 17437), (4982, 16296), (5141, 15792), (5264, 15423), (5432, 14946), (5936, 13677), (7473, 10864), (7896, 10282), (8148, 9964), (8904, 9118)]