81578376

素因数分解:

$2^3\times 3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{83}}^1$

素因数の和:196

約数の個数: 192

約数和(自身を含む): 261817920

約数和(自身を除く): 180239544

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 17, 18, 22, 24, 33, 34, 36, 44, 51, 66, 68, 72, 73, 83, 88, 99, 102, 132, 136, 146, 153, 166, 187, 198, 204, 219, 249, 264, 292, 306, 332, 374, 396, 408, 438, 498, 561, 584, 612, 657, 664, 747, 748, 792, 803, 876, 913, 996, 1122, 1224, 1241, 1314, 1411, 1494, 1496, 1606, 1683, 1752, 1826, 1992, 2244, 2409, 2482, 2628, 2739, 2822, 2988, 3212, 3366, 3652, 3723, 4233, 4488, 4818, 4964, 5256, 5478, 5644, 5976, 6059, 6424, 6732, 7227, 7304, 7446, 8217, 8466, 9636, 9928, 10956, 11169, 11288, 12118, 12699, 13464, 13651, 14454, 14892, 15521, 16434, 16932, 18177, 19272, 21912, 22338, 24236, 25398, 27302, 28908, 29784, 31042, 32868, 33864, 36354, 40953, 44676, 46563, 48472, 50796, 54531, 54604, 57816, 62084, 65736, 66649, 72708, 81906, 89352, 93126, 101592, 103003, 109062, 109208, 122859, 124168, 133298, 139689, 145416, 163812, 186252, 199947, 206006, 218124, 245718, 266596, 279378, 309009, 327624, 372504, 399894, 412012, 436248, 491436, 533192, 558756, 599841, 618018, 799788, 824024, 927027, 982872, 1117512, 1133033, 1199682, 1236036, 1599576, 1854054, 2266066, 2399364, 2472072, 3399099, 3708108, 4532132, 4798728, 6798198, 7416216, 9064264, 10197297, 13596396, 20394594, 27192792, 40789188, 81578376]

約数ペア:

[(1, 81578376), (2, 40789188), (3, 27192792), (4, 20394594), (6, 13596396), (8, 10197297), (9, 9064264), (11, 7416216), (12, 6798198), (17, 4798728), (18, 4532132), (22, 3708108), (24, 3399099), (33, 2472072), (34, 2399364), (36, 2266066), (44, 1854054), (51, 1599576), (66, 1236036), (68, 1199682), (72, 1133033), (73, 1117512), (83, 982872), (88, 927027), (99, 824024), (102, 799788), (132, 618018), (136, 599841), (146, 558756), (153, 533192), (166, 491436), (187, 436248), (198, 412012), (204, 399894), (219, 372504), (249, 327624), (264, 309009), (292, 279378), (306, 266596), (332, 245718), (374, 218124), (396, 206006), (408, 199947), (438, 186252), (498, 163812), (561, 145416), (584, 139689), (612, 133298), (657, 124168), (664, 122859), (747, 109208), (748, 109062), (792, 103003), (803, 101592), (876, 93126), (913, 89352), (996, 81906), (1122, 72708), (1224, 66649), (1241, 65736), (1314, 62084), (1411, 57816), (1494, 54604), (1496, 54531), (1606, 50796), (1683, 48472), (1752, 46563), (1826, 44676), (1992, 40953), (2244, 36354), (2409, 33864), (2482, 32868), (2628, 31042), (2739, 29784), (2822, 28908), (2988, 27302), (3212, 25398), (3366, 24236), (3652, 22338), (3723, 21912), (4233, 19272), (4488, 18177), (4818, 16932), (4964, 16434), (5256, 15521), (5478, 14892), (5644, 14454), (5976, 13651), (6059, 13464), (6424, 12699), (6732, 12118), (7227, 11288), (7304, 11169), (7446, 10956), (8217, 9928), (8466, 9636)]