215067420

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{398273}}^1$

素因数の和:398291

約数の個数: 48

約数和(自身を含む): 669100320

約数和(自身を除く): 454032900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 398273, 796546, 1194819, 1593092, 1991365, 2389638, 3584457, 3982730, 4779276, 5974095, 7168914, 7965460, 10753371, 11948190, 14337828, 17922285, 21506742, 23896380, 35844570, 43013484, 53766855, 71689140, 107533710, 215067420]

約数ペア:

[(1, 215067420), (2, 107533710), (3, 71689140), (4, 53766855), (5, 43013484), (6, 35844570), (9, 23896380), (10, 21506742), (12, 17922285), (15, 14337828), (18, 11948190), (20, 10753371), (27, 7965460), (30, 7168914), (36, 5974095), (45, 4779276), (54, 3982730), (60, 3584457), (90, 2389638), (108, 1991365), (135, 1593092), (180, 1194819), (270, 796546), (540, 398273)]