80739840

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{10513}}^1$

素因数の和:10539

約数の個数: 80

約数和(自身を含む): 258139728

約数和(自身を除く): 177399888

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, 10513, 21026, 31539, 42052, 52565, 63078, 84104, 105130, 126156, 157695, 168208, 210260, 252312, 315390, 336416, 420520, 504624, 630780, 672832, 841040, 1009248, 1261560, 1345664, 1682080, 2018496, 2523120, 2691328, 3364160, 4036992, 5046240, 5382656, 6728320, 8073984, 10092480, 13456640, 16147968, 20184960, 26913280, 40369920, 80739840]

約数ペア:

[(1, 80739840), (2, 40369920), (3, 26913280), (4, 20184960), (5, 16147968), (6, 13456640), (8, 10092480), (10, 8073984), (12, 6728320), (15, 5382656), (16, 5046240), (20, 4036992), (24, 3364160), (30, 2691328), (32, 2523120), (40, 2018496), (48, 1682080), (60, 1345664), (64, 1261560), (80, 1009248), (96, 841040), (120, 672832), (128, 630780), (160, 504624), (192, 420520), (240, 336416), (256, 315390), (320, 252312), (384, 210260), (480, 168208), (512, 157695), (640, 126156), (768, 105130), (960, 84104), (1280, 63078), (1536, 52565), (1920, 42052), (2560, 31539), (3840, 21026), (7680, 10513)]