137008640

素因数分解:

$2^9\times 5^1\times {\mathrm{109}}^1\times {\mathrm{491}}^1$

素因数の和:623

約数の個数: 80

約数和(自身を含む): 332188560

約数和(自身を除く): 195179920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 109, 128, 160, 218, 256, 320, 436, 491, 512, 545, 640, 872, 982, 1090, 1280, 1744, 1964, 2180, 2455, 2560, 3488, 3928, 4360, 4910, 6976, 7856, 8720, 9820, 13952, 15712, 17440, 19640, 27904, 31424, 34880, 39280, 53519, 55808, 62848, 69760, 78560, 107038, 125696, 139520, 157120, 214076, 251392, 267595, 279040, 314240, 428152, 535190, 628480, 856304, 1070380, 1256960, 1712608, 2140760, 3425216, 4281520, 6850432, 8563040, 13700864, 17126080, 27401728, 34252160, 68504320, 137008640]

約数ペア:

[(1, 137008640), (2, 68504320), (4, 34252160), (5, 27401728), (8, 17126080), (10, 13700864), (16, 8563040), (20, 6850432), (32, 4281520), (40, 3425216), (64, 2140760), (80, 1712608), (109, 1256960), (128, 1070380), (160, 856304), (218, 628480), (256, 535190), (320, 428152), (436, 314240), (491, 279040), (512, 267595), (545, 251392), (640, 214076), (872, 157120), (982, 139520), (1090, 125696), (1280, 107038), (1744, 78560), (1964, 69760), (2180, 62848), (2455, 55808), (2560, 53519), (3488, 39280), (3928, 34880), (4360, 31424), (4910, 27904), (6976, 19640), (7856, 17440), (8720, 15712), (9820, 13952)]