72157212

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1$

素因数の和:184

約数の個数: 144

約数和(自身を含む): 205470720

約数和(自身を除く): 133313508

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 31, 36, 38, 41, 57, 62, 76, 82, 83, 93, 114, 123, 124, 164, 166, 171, 186, 228, 246, 249, 279, 332, 342, 369, 372, 492, 498, 558, 589, 684, 738, 747, 779, 996, 1116, 1178, 1271, 1476, 1494, 1558, 1577, 1767, 2337, 2356, 2542, 2573, 2988, 3116, 3154, 3403, 3534, 3813, 4674, 4731, 5084, 5146, 5301, 6308, 6806, 7011, 7068, 7626, 7719, 9348, 9462, 10209, 10292, 10602, 11439, 13612, 14022, 14193, 15252, 15438, 18924, 20418, 21204, 22878, 23157, 24149, 28044, 28386, 30627, 30876, 40836, 45756, 46314, 48298, 48887, 56772, 61254, 64657, 72447, 92628, 96596, 97774, 105493, 122508, 129314, 144894, 146661, 193971, 195548, 210986, 217341, 258628, 289788, 293322, 316479, 387942, 421972, 434682, 439983, 581913, 586644, 632958, 775884, 869364, 879966, 949437, 1163826, 1265916, 1759932, 1898874, 2004367, 2327652, 3797748, 4008734, 6013101, 8017468, 12026202, 18039303, 24052404, 36078606, 72157212]

約数ペア:

[(1, 72157212), (2, 36078606), (3, 24052404), (4, 18039303), (6, 12026202), (9, 8017468), (12, 6013101), (18, 4008734), (19, 3797748), (31, 2327652), (36, 2004367), (38, 1898874), (41, 1759932), (57, 1265916), (62, 1163826), (76, 949437), (82, 879966), (83, 869364), (93, 775884), (114, 632958), (123, 586644), (124, 581913), (164, 439983), (166, 434682), (171, 421972), (186, 387942), (228, 316479), (246, 293322), (249, 289788), (279, 258628), (332, 217341), (342, 210986), (369, 195548), (372, 193971), (492, 146661), (498, 144894), (558, 129314), (589, 122508), (684, 105493), (738, 97774), (747, 96596), (779, 92628), (996, 72447), (1116, 64657), (1178, 61254), (1271, 56772), (1476, 48887), (1494, 48298), (1558, 46314), (1577, 45756), (1767, 40836), (2337, 30876), (2356, 30627), (2542, 28386), (2573, 28044), (2988, 24149), (3116, 23157), (3154, 22878), (3403, 21204), (3534, 20418), (3813, 18924), (4674, 15438), (4731, 15252), (5084, 14193), (5146, 14022), (5301, 13612), (6308, 11439), (6806, 10602), (7011, 10292), (7068, 10209), (7626, 9462), (7719, 9348)]