917030080

素因数分解:

$2^6\times 5^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{431}}^1$

素因数の和:618

約数の個数: 112

約数和(自身を含む): 2245034880

約数和(自身を除く): 1328004800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 109, 122, 160, 218, 244, 305, 320, 431, 436, 488, 545, 610, 862, 872, 976, 1090, 1220, 1724, 1744, 1952, 2155, 2180, 2440, 3448, 3488, 3904, 4310, 4360, 4880, 6649, 6896, 6976, 8620, 8720, 9760, 13298, 13792, 17240, 17440, 19520, 26291, 26596, 27584, 33245, 34480, 34880, 46979, 52582, 53192, 66490, 68960, 93958, 105164, 106384, 131455, 132980, 137920, 187916, 210328, 212768, 234895, 262910, 265960, 375832, 420656, 425536, 469790, 525820, 531920, 751664, 841312, 939580, 1051640, 1063840, 1503328, 1682624, 1879160, 2103280, 2127680, 2865719, 3006656, 3758320, 4206560, 5731438, 7516640, 8413120, 11462876, 14328595, 15033280, 22925752, 28657190, 45851504, 57314380, 91703008, 114628760, 183406016, 229257520, 458515040, 917030080]

約数ペア:

[(1, 917030080), (2, 458515040), (4, 229257520), (5, 183406016), (8, 114628760), (10, 91703008), (16, 57314380), (20, 45851504), (32, 28657190), (40, 22925752), (61, 15033280), (64, 14328595), (80, 11462876), (109, 8413120), (122, 7516640), (160, 5731438), (218, 4206560), (244, 3758320), (305, 3006656), (320, 2865719), (431, 2127680), (436, 2103280), (488, 1879160), (545, 1682624), (610, 1503328), (862, 1063840), (872, 1051640), (976, 939580), (1090, 841312), (1220, 751664), (1724, 531920), (1744, 525820), (1952, 469790), (2155, 425536), (2180, 420656), (2440, 375832), (3448, 265960), (3488, 262910), (3904, 234895), (4310, 212768), (4360, 210328), (4880, 187916), (6649, 137920), (6896, 132980), (6976, 131455), (8620, 106384), (8720, 105164), (9760, 93958), (13298, 68960), (13792, 66490), (17240, 53192), (17440, 52582), (19520, 46979), (26291, 34880), (26596, 34480), (27584, 33245)]