172080640

素因数分解:

$2^9\times 5^1\times {\mathrm{67219}}^1$

素因数の和:67242

約数の個数: 40

約数和(自身を含む): 412596360

約数和(自身を除く): 240515720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 67219, 134438, 268876, 336095, 537752, 672190, 1075504, 1344380, 2151008, 2688760, 4302016, 5377520, 8604032, 10755040, 17208064, 21510080, 34416128, 43020160, 86040320, 172080640]

約数ペア:

[(1, 172080640), (2, 86040320), (4, 43020160), (5, 34416128), (8, 21510080), (10, 17208064), (16, 10755040), (20, 8604032), (32, 5377520), (40, 4302016), (64, 2688760), (80, 2151008), (128, 1344380), (160, 1075504), (256, 672190), (320, 537752), (512, 336095), (640, 268876), (1280, 134438), (2560, 67219)]