81335072

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1$

素因数の和:131

約数の個数: 192

約数和(自身を含む): 219469824

約数和(自身を除く): 138134752

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 17, 26, 28, 31, 32, 34, 52, 53, 56, 62, 68, 91, 104, 106, 112, 119, 124, 136, 182, 208, 212, 217, 221, 224, 238, 248, 272, 364, 371, 403, 416, 424, 434, 442, 476, 496, 527, 544, 689, 728, 742, 806, 848, 868, 884, 901, 952, 992, 1054, 1378, 1456, 1484, 1547, 1612, 1643, 1696, 1736, 1768, 1802, 1904, 2108, 2756, 2821, 2912, 2968, 3094, 3224, 3286, 3472, 3536, 3604, 3689, 3808, 4216, 4823, 5512, 5642, 5936, 6188, 6307, 6448, 6572, 6851, 6944, 7072, 7208, 7378, 8432, 9646, 11024, 11284, 11501, 11713, 11872, 12376, 12614, 12896, 13144, 13702, 14416, 14756, 16864, 19292, 21359, 22048, 22568, 23002, 23426, 24752, 25228, 26288, 27404, 27931, 28832, 29512, 38584, 42718, 45136, 46004, 46852, 47957, 49504, 50456, 52576, 54808, 55862, 59024, 77168, 81991, 85436, 90272, 92008, 93704, 95914, 100912, 109616, 111724, 118048, 149513, 154336, 163982, 170872, 184016, 187408, 191828, 195517, 201824, 219232, 223448, 299026, 327964, 341744, 363103, 368032, 374816, 383656, 391034, 446896, 598052, 655928, 683488, 726206, 767312, 782068, 893792, 1196104, 1311856, 1452412, 1534624, 1564136, 2392208, 2541721, 2623712, 2904824, 3128272, 4784416, 5083442, 5809648, 6256544, 10166884, 11619296, 20333768, 40667536, 81335072]

約数ペア:

[(1, 81335072), (2, 40667536), (4, 20333768), (7, 11619296), (8, 10166884), (13, 6256544), (14, 5809648), (16, 5083442), (17, 4784416), (26, 3128272), (28, 2904824), (31, 2623712), (32, 2541721), (34, 2392208), (52, 1564136), (53, 1534624), (56, 1452412), (62, 1311856), (68, 1196104), (91, 893792), (104, 782068), (106, 767312), (112, 726206), (119, 683488), (124, 655928), (136, 598052), (182, 446896), (208, 391034), (212, 383656), (217, 374816), (221, 368032), (224, 363103), (238, 341744), (248, 327964), (272, 299026), (364, 223448), (371, 219232), (403, 201824), (416, 195517), (424, 191828), (434, 187408), (442, 184016), (476, 170872), (496, 163982), (527, 154336), (544, 149513), (689, 118048), (728, 111724), (742, 109616), (806, 100912), (848, 95914), (868, 93704), (884, 92008), (901, 90272), (952, 85436), (992, 81991), (1054, 77168), (1378, 59024), (1456, 55862), (1484, 54808), (1547, 52576), (1612, 50456), (1643, 49504), (1696, 47957), (1736, 46852), (1768, 46004), (1802, 45136), (1904, 42718), (2108, 38584), (2756, 29512), (2821, 28832), (2912, 27931), (2968, 27404), (3094, 26288), (3224, 25228), (3286, 24752), (3472, 23426), (3536, 23002), (3604, 22568), (3689, 22048), (3808, 21359), (4216, 19292), (4823, 16864), (5512, 14756), (5642, 14416), (5936, 13702), (6188, 13144), (6307, 12896), (6448, 12614), (6572, 12376), (6851, 11872), (6944, 11713), (7072, 11501), (7208, 11284), (7378, 11024), (8432, 9646)]