181018476

素因数分解:

$2^2\times 3^5\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:194

約数の個数: 144

約数和(自身を含む): 500467968

約数和(自身を除く): 319449492

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 43, 54, 61, 71, 81, 86, 108, 122, 129, 142, 162, 172, 183, 213, 243, 244, 258, 284, 324, 366, 387, 426, 486, 516, 549, 639, 732, 774, 852, 972, 1098, 1161, 1278, 1548, 1647, 1917, 2196, 2322, 2556, 2623, 3053, 3294, 3483, 3834, 4331, 4644, 4941, 5246, 5751, 6106, 6588, 6966, 7668, 7869, 8662, 9159, 9882, 10449, 10492, 11502, 12212, 12993, 13932, 14823, 15738, 17253, 17324, 18318, 19764, 20898, 23004, 23607, 25986, 27477, 29646, 31476, 34506, 36636, 38979, 41796, 47214, 51972, 54954, 59292, 69012, 70821, 77958, 82431, 94428, 109908, 116937, 141642, 155916, 164862, 186233, 212463, 233874, 247293, 283284, 329724, 350811, 372466, 424926, 467748, 494586, 558699, 637389, 701622, 741879, 744932, 849852, 989172, 1052433, 1117398, 1274778, 1403244, 1483758, 1676097, 2104866, 2234796, 2549556, 2967516, 3352194, 4209732, 5028291, 6704388, 10056582, 15084873, 20113164, 30169746, 45254619, 60339492, 90509238, 181018476]

約数ペア:

[(1, 181018476), (2, 90509238), (3, 60339492), (4, 45254619), (6, 30169746), (9, 20113164), (12, 15084873), (18, 10056582), (27, 6704388), (36, 5028291), (43, 4209732), (54, 3352194), (61, 2967516), (71, 2549556), (81, 2234796), (86, 2104866), (108, 1676097), (122, 1483758), (129, 1403244), (142, 1274778), (162, 1117398), (172, 1052433), (183, 989172), (213, 849852), (243, 744932), (244, 741879), (258, 701622), (284, 637389), (324, 558699), (366, 494586), (387, 467748), (426, 424926), (486, 372466), (516, 350811), (549, 329724), (639, 283284), (732, 247293), (774, 233874), (852, 212463), (972, 186233), (1098, 164862), (1161, 155916), (1278, 141642), (1548, 116937), (1647, 109908), (1917, 94428), (2196, 82431), (2322, 77958), (2556, 70821), (2623, 69012), (3053, 59292), (3294, 54954), (3483, 51972), (3834, 47214), (4331, 41796), (4644, 38979), (4941, 36636), (5246, 34506), (5751, 31476), (6106, 29646), (6588, 27477), (6966, 25986), (7668, 23607), (7869, 23004), (8662, 20898), (9159, 19764), (9882, 18318), (10449, 17324), (10492, 17253), (11502, 15738), (12212, 14823), (12993, 13932)]