161505738

素因数分解:

$2^1\times 3^4\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{383}}^1$

素因数の和:553

約数の個数: 80

約数和(自身を含む): 384721920

約数和(自身を除く): 223216182

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 54, 57, 81, 114, 137, 162, 171, 274, 342, 383, 411, 513, 766, 822, 1026, 1149, 1233, 1539, 2298, 2466, 2603, 3078, 3447, 3699, 5206, 6894, 7277, 7398, 7809, 10341, 11097, 14554, 15618, 20682, 21831, 22194, 23427, 31023, 43662, 46854, 52471, 62046, 65493, 70281, 104942, 130986, 140562, 157413, 196479, 210843, 314826, 392958, 421686, 472239, 589437, 944478, 996949, 1178874, 1416717, 1993898, 2833434, 2990847, 4250151, 5981694, 8500302, 8972541, 17945082, 26917623, 53835246, 80752869, 161505738]

約数ペア:

[(1, 161505738), (2, 80752869), (3, 53835246), (6, 26917623), (9, 17945082), (18, 8972541), (19, 8500302), (27, 5981694), (38, 4250151), (54, 2990847), (57, 2833434), (81, 1993898), (114, 1416717), (137, 1178874), (162, 996949), (171, 944478), (274, 589437), (342, 472239), (383, 421686), (411, 392958), (513, 314826), (766, 210843), (822, 196479), (1026, 157413), (1149, 140562), (1233, 130986), (1539, 104942), (2298, 70281), (2466, 65493), (2603, 62046), (3078, 52471), (3447, 46854), (3699, 43662), (5206, 31023), (6894, 23427), (7277, 22194), (7398, 21831), (7809, 20682), (10341, 15618), (11097, 14554)]