15805980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{87811}}^1$

素因数の和:87826

約数の個数: 36

約数和(自身を含む): 47945352

約数和(自身を除く): 32139372

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 87811, 175622, 263433, 351244, 439055, 526866, 790299, 878110, 1053732, 1317165, 1580598, 1756220, 2634330, 3161196, 3951495, 5268660, 7902990, 15805980]

約数ペア:

[(1, 15805980), (2, 7902990), (3, 5268660), (4, 3951495), (5, 3161196), (6, 2634330), (9, 1756220), (10, 1580598), (12, 1317165), (15, 1053732), (18, 878110), (20, 790299), (30, 526866), (36, 439055), (45, 351244), (60, 263433), (90, 175622), (180, 87811)]