81112104

素因数分解:

$2^3\times 3^4\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:173

約数の個数: 160

約数和(自身を含む): 241496640

約数和(自身を除く): 160384536

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 41, 43, 54, 71, 72, 81, 82, 86, 108, 123, 129, 142, 162, 164, 172, 213, 216, 246, 258, 284, 324, 328, 344, 369, 387, 426, 492, 516, 568, 639, 648, 738, 774, 852, 984, 1032, 1107, 1161, 1278, 1476, 1548, 1704, 1763, 1917, 2214, 2322, 2556, 2911, 2952, 3053, 3096, 3321, 3483, 3526, 3834, 4428, 4644, 5112, 5289, 5751, 5822, 6106, 6642, 6966, 7052, 7668, 8733, 8856, 9159, 9288, 10578, 11502, 11644, 12212, 13284, 13932, 14104, 15336, 15867, 17466, 18318, 21156, 23004, 23288, 24424, 26199, 26568, 27477, 27864, 31734, 34932, 36636, 42312, 46008, 47601, 52398, 54954, 63468, 69864, 73272, 78597, 82431, 95202, 104796, 109908, 125173, 126936, 142803, 157194, 164862, 190404, 209592, 219816, 235791, 247293, 250346, 285606, 314388, 329724, 375519, 380808, 471582, 494586, 500692, 571212, 628776, 659448, 751038, 943164, 989172, 1001384, 1126557, 1142424, 1502076, 1886328, 1978344, 2253114, 3004152, 3379671, 4506228, 6759342, 9012456, 10139013, 13518684, 20278026, 27037368, 40556052, 81112104]

約数ペア:

[(1, 81112104), (2, 40556052), (3, 27037368), (4, 20278026), (6, 13518684), (8, 10139013), (9, 9012456), (12, 6759342), (18, 4506228), (24, 3379671), (27, 3004152), (36, 2253114), (41, 1978344), (43, 1886328), (54, 1502076), (71, 1142424), (72, 1126557), (81, 1001384), (82, 989172), (86, 943164), (108, 751038), (123, 659448), (129, 628776), (142, 571212), (162, 500692), (164, 494586), (172, 471582), (213, 380808), (216, 375519), (246, 329724), (258, 314388), (284, 285606), (324, 250346), (328, 247293), (344, 235791), (369, 219816), (387, 209592), (426, 190404), (492, 164862), (516, 157194), (568, 142803), (639, 126936), (648, 125173), (738, 109908), (774, 104796), (852, 95202), (984, 82431), (1032, 78597), (1107, 73272), (1161, 69864), (1278, 63468), (1476, 54954), (1548, 52398), (1704, 47601), (1763, 46008), (1917, 42312), (2214, 36636), (2322, 34932), (2556, 31734), (2911, 27864), (2952, 27477), (3053, 26568), (3096, 26199), (3321, 24424), (3483, 23288), (3526, 23004), (3834, 21156), (4428, 18318), (4644, 17466), (5112, 15867), (5289, 15336), (5751, 14104), (5822, 13932), (6106, 13284), (6642, 12212), (6966, 11644), (7052, 11502), (7668, 10578), (8733, 9288), (8856, 9159)]