81281772

素因数分解:

$2^2\times 3^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{277}}^1$

素因数の和:333

約数の個数: 192

約数和(自身を含む): 261542400

約数和(自身を除く): 180260628

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 13, 18, 19, 22, 26, 27, 33, 36, 38, 39, 44, 52, 54, 57, 66, 76, 78, 99, 108, 114, 117, 132, 143, 156, 171, 198, 209, 228, 234, 247, 277, 286, 297, 342, 351, 396, 418, 429, 468, 494, 513, 554, 572, 594, 627, 684, 702, 741, 831, 836, 858, 988, 1026, 1108, 1188, 1254, 1287, 1404, 1482, 1662, 1716, 1881, 2052, 2223, 2493, 2508, 2574, 2717, 2964, 3047, 3324, 3601, 3762, 3861, 4446, 4986, 5148, 5263, 5434, 5643, 6094, 6669, 7202, 7479, 7524, 7722, 8151, 8892, 9141, 9972, 10526, 10803, 10868, 11286, 12188, 13338, 14404, 14958, 15444, 15789, 16302, 18282, 21052, 21606, 22572, 24453, 26676, 27423, 29916, 31578, 32409, 32604, 36564, 39611, 43212, 47367, 48906, 54846, 57893, 63156, 64818, 68419, 73359, 79222, 82269, 94734, 97227, 97812, 109692, 115786, 118833, 129636, 136838, 142101, 146718, 158444, 164538, 173679, 189468, 194454, 205257, 231572, 237666, 273676, 284202, 293436, 329076, 347358, 356499, 388908, 410514, 475332, 521037, 568404, 615771, 694716, 712998, 752609, 821028, 1042074, 1069497, 1231542, 1425996, 1505218, 1563111, 1847313, 2084148, 2138994, 2257827, 2463084, 3010436, 3126222, 3694626, 4277988, 4515654, 6252444, 6773481, 7389252, 9031308, 13546962, 20320443, 27093924, 40640886, 81281772]

約数ペア:

[(1, 81281772), (2, 40640886), (3, 27093924), (4, 20320443), (6, 13546962), (9, 9031308), (11, 7389252), (12, 6773481), (13, 6252444), (18, 4515654), (19, 4277988), (22, 3694626), (26, 3126222), (27, 3010436), (33, 2463084), (36, 2257827), (38, 2138994), (39, 2084148), (44, 1847313), (52, 1563111), (54, 1505218), (57, 1425996), (66, 1231542), (76, 1069497), (78, 1042074), (99, 821028), (108, 752609), (114, 712998), (117, 694716), (132, 615771), (143, 568404), (156, 521037), (171, 475332), (198, 410514), (209, 388908), (228, 356499), (234, 347358), (247, 329076), (277, 293436), (286, 284202), (297, 273676), (342, 237666), (351, 231572), (396, 205257), (418, 194454), (429, 189468), (468, 173679), (494, 164538), (513, 158444), (554, 146718), (572, 142101), (594, 136838), (627, 129636), (684, 118833), (702, 115786), (741, 109692), (831, 97812), (836, 97227), (858, 94734), (988, 82269), (1026, 79222), (1108, 73359), (1188, 68419), (1254, 64818), (1287, 63156), (1404, 57893), (1482, 54846), (1662, 48906), (1716, 47367), (1881, 43212), (2052, 39611), (2223, 36564), (2493, 32604), (2508, 32409), (2574, 31578), (2717, 29916), (2964, 27423), (3047, 26676), (3324, 24453), (3601, 22572), (3762, 21606), (3861, 21052), (4446, 18282), (4986, 16302), (5148, 15789), (5263, 15444), (5434, 14958), (5643, 14404), (6094, 13338), (6669, 12188), (7202, 11286), (7479, 10868), (7524, 10803), (7722, 10526), (8151, 9972), (8892, 9141)]