81661269872

素因数分解:

$2^4\times 7^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{36923}}^1$

素因数の和:36996

約数の個数: 160

約数和(自身を含む): 205120204800

約数和(自身を除く): 123458934928

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 31, 49, 52, 56, 62, 91, 98, 104, 112, 124, 182, 196, 208, 217, 248, 343, 364, 392, 403, 434, 496, 637, 686, 728, 784, 806, 868, 1274, 1372, 1456, 1519, 1612, 1736, 2548, 2744, 2821, 3038, 3224, 3472, 4459, 5096, 5488, 5642, 6076, 6448, 8918, 10192, 10633, 11284, 12152, 17836, 19747, 21266, 22568, 24304, 35672, 36923, 39494, 42532, 45136, 71344, 73846, 78988, 85064, 138229, 147692, 157976, 170128, 258461, 276458, 295384, 315952, 479999, 516922, 552916, 590768, 959998, 1033844, 1105832, 1144613, 1809227, 1919996, 2067688, 2211664, 2289226, 3359993, 3618454, 3839992, 4135376, 4578452, 6719986, 7236908, 7679984, 8012291, 9156904, 12664589, 13439972, 14473816, 14879969, 16024582, 18313808, 23519951, 25329178, 26879944, 28947632, 29759938, 32049164, 47039902, 50658356, 53759888, 56086037, 59519876, 64098328, 94079804, 101316712, 104159783, 112172074, 119039752, 128196656, 164639657, 188159608, 202633424, 208319566, 224344148, 238079504, 329279314, 376319216, 392602259, 416639132, 448688296, 658558628, 729118481, 785204518, 833278264, 897376592, 1317117256, 1458236962, 1570409036, 1666556528, 2634234512, 2916473924, 3140818072, 5103829367, 5832947848, 6281636144, 10207658734, 11665895696, 20415317468, 40830634936, 81661269872]

約数ペア:

[(1, 81661269872), (2, 40830634936), (4, 20415317468), (7, 11665895696), (8, 10207658734), (13, 6281636144), (14, 5832947848), (16, 5103829367), (26, 3140818072), (28, 2916473924), (31, 2634234512), (49, 1666556528), (52, 1570409036), (56, 1458236962), (62, 1317117256), (91, 897376592), (98, 833278264), (104, 785204518), (112, 729118481), (124, 658558628), (182, 448688296), (196, 416639132), (208, 392602259), (217, 376319216), (248, 329279314), (343, 238079504), (364, 224344148), (392, 208319566), (403, 202633424), (434, 188159608), (496, 164639657), (637, 128196656), (686, 119039752), (728, 112172074), (784, 104159783), (806, 101316712), (868, 94079804), (1274, 64098328), (1372, 59519876), (1456, 56086037), (1519, 53759888), (1612, 50658356), (1736, 47039902), (2548, 32049164), (2744, 29759938), (2821, 28947632), (3038, 26879944), (3224, 25329178), (3472, 23519951), (4459, 18313808), (5096, 16024582), (5488, 14879969), (5642, 14473816), (6076, 13439972), (6448, 12664589), (8918, 9156904), (10192, 8012291), (10633, 7679984), (11284, 7236908), (12152, 6719986), (17836, 4578452), (19747, 4135376), (21266, 3839992), (22568, 3618454), (24304, 3359993), (35672, 2289226), (36923, 2211664), (39494, 2067688), (42532, 1919996), (45136, 1809227), (71344, 1144613), (73846, 1105832), (78988, 1033844), (85064, 959998), (138229, 590768), (147692, 552916), (157976, 516922), (170128, 479999), (258461, 315952), (276458, 295384)]