320581912

素因数分解:

$2^3\times 7^2\times {\mathrm{23}}^1\times {\mathrm{31}}^2\times {\mathrm{37}}^1$

素因数の和:142

約数の個数: 144

約数和(自身を含む): 774301680

約数和(自身を除く): 453719768

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 31, 37, 46, 49, 56, 62, 74, 92, 98, 124, 148, 161, 184, 196, 217, 248, 259, 296, 322, 392, 434, 518, 644, 713, 851, 868, 961, 1036, 1127, 1147, 1288, 1426, 1519, 1702, 1736, 1813, 1922, 2072, 2254, 2294, 2852, 3038, 3404, 3626, 3844, 4508, 4588, 4991, 5704, 5957, 6076, 6727, 6808, 7252, 7688, 8029, 9016, 9176, 9982, 11914, 12152, 13454, 14504, 16058, 19964, 22103, 23828, 26381, 26908, 32116, 34937, 35557, 39928, 41699, 44206, 47089, 47656, 52762, 53816, 56203, 64232, 69874, 71114, 83398, 88412, 94178, 105524, 112406, 139748, 142228, 154721, 166796, 176824, 184667, 188356, 211048, 224812, 248899, 279496, 284456, 309442, 333592, 369334, 376712, 449624, 497798, 618884, 738668, 817811, 995596, 1083047, 1237768, 1292669, 1477336, 1635622, 1742293, 1991192, 2166094, 2585338, 3271244, 3484586, 4332188, 5170676, 5724677, 6542488, 6969172, 8664376, 10341352, 11449354, 13938344, 22898708, 40072739, 45797416, 80145478, 160290956, 320581912]

約数ペア:

[(1, 320581912), (2, 160290956), (4, 80145478), (7, 45797416), (8, 40072739), (14, 22898708), (23, 13938344), (28, 11449354), (31, 10341352), (37, 8664376), (46, 6969172), (49, 6542488), (56, 5724677), (62, 5170676), (74, 4332188), (92, 3484586), (98, 3271244), (124, 2585338), (148, 2166094), (161, 1991192), (184, 1742293), (196, 1635622), (217, 1477336), (248, 1292669), (259, 1237768), (296, 1083047), (322, 995596), (392, 817811), (434, 738668), (518, 618884), (644, 497798), (713, 449624), (851, 376712), (868, 369334), (961, 333592), (1036, 309442), (1127, 284456), (1147, 279496), (1288, 248899), (1426, 224812), (1519, 211048), (1702, 188356), (1736, 184667), (1813, 176824), (1922, 166796), (2072, 154721), (2254, 142228), (2294, 139748), (2852, 112406), (3038, 105524), (3404, 94178), (3626, 88412), (3844, 83398), (4508, 71114), (4588, 69874), (4991, 64232), (5704, 56203), (5957, 53816), (6076, 52762), (6727, 47656), (6808, 47089), (7252, 44206), (7688, 41699), (8029, 39928), (9016, 35557), (9176, 34937), (9982, 32116), (11914, 26908), (12152, 26381), (13454, 23828), (14504, 22103), (16058, 19964)]