399972480

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{208319}}^1$

素因数の和:208341

約数の個数: 64

約数和(自身を含む): 1274918400

約数和(自身を除く): 874945920

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, 320, 384, 480, 640, 960, 1920, 208319, 416638, 624957, 833276, 1041595, 1249914, 1666552, 2083190, 2499828, 3124785, 3333104, 4166380, 4999656, 6249570, 6666208, 8332760, 9999312, 12499140, 13332416, 16665520, 19998624, 24998280, 26664832, 33331040, 39997248, 49996560, 66662080, 79994496, 99993120, 133324160, 199986240, 399972480]

約数ペア:

[(1, 399972480), (2, 199986240), (3, 133324160), (4, 99993120), (5, 79994496), (6, 66662080), (8, 49996560), (10, 39997248), (12, 33331040), (15, 26664832), (16, 24998280), (20, 19998624), (24, 16665520), (30, 13332416), (32, 12499140), (40, 9999312), (48, 8332760), (60, 6666208), (64, 6249570), (80, 4999656), (96, 4166380), (120, 3333104), (128, 3124785), (160, 2499828), (192, 2083190), (240, 1666552), (320, 1249914), (384, 1041595), (480, 833276), (640, 624957), (960, 416638), (1920, 208319)]