64688640

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{8423}}^1$

素因数の和:8449

約数の個数: 80

約数和(自身を含む): 206826048

約数和(自身を除く): 142137408

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 320, 384, 480, 512, 640, 768, 960, 1280, 1536, 1920, 2560, 3840, 7680, 8423, 16846, 25269, 33692, 42115, 50538, 67384, 84230, 101076, 126345, 134768, 168460, 202152, 252690, 269536, 336920, 404304, 505380, 539072, 673840, 808608, 1010760, 1078144, 1347680, 1617216, 2021520, 2156288, 2695360, 3234432, 4043040, 4312576, 5390720, 6468864, 8086080, 10781440, 12937728, 16172160, 21562880, 32344320, 64688640]

約数ペア:

[(1, 64688640), (2, 32344320), (3, 21562880), (4, 16172160), (5, 12937728), (6, 10781440), (8, 8086080), (10, 6468864), (12, 5390720), (15, 4312576), (16, 4043040), (20, 3234432), (24, 2695360), (30, 2156288), (32, 2021520), (40, 1617216), (48, 1347680), (60, 1078144), (64, 1010760), (80, 808608), (96, 673840), (120, 539072), (128, 505380), (160, 404304), (192, 336920), (240, 269536), (256, 252690), (320, 202152), (384, 168460), (480, 134768), (512, 126345), (640, 101076), (768, 84230), (960, 67384), (1280, 50538), (1536, 42115), (1920, 33692), (2560, 25269), (3840, 16846), (7680, 8423)]