80681940

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{149411}}^1$

素因数の和:149429

約数の個数: 48

約数和(自身を含む): 251012160

約数和(自身を除く): 170330220

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, 149411, 298822, 448233, 597644, 747055, 896466, 1344699, 1494110, 1792932, 2241165, 2689398, 2988220, 4034097, 4482330, 5378796, 6723495, 8068194, 8964660, 13446990, 16136388, 20170485, 26893980, 40340970, 80681940]

約数ペア:

[(1, 80681940), (2, 40340970), (3, 26893980), (4, 20170485), (5, 16136388), (6, 13446990), (9, 8964660), (10, 8068194), (12, 6723495), (15, 5378796), (18, 4482330), (20, 4034097), (27, 2988220), (30, 2689398), (36, 2241165), (45, 1792932), (54, 1494110), (60, 1344699), (90, 896466), (108, 747055), (135, 597644), (180, 448233), (270, 298822), (540, 149411)]