78193980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{434411}}^1$

素因数の和:434426

約数の個数: 36

約数和(自身を含む): 237188952

約数和(自身を除く): 158994972

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 434411, 868822, 1303233, 1737644, 2172055, 2606466, 3909699, 4344110, 5212932, 6516165, 7819398, 8688220, 13032330, 15638796, 19548495, 26064660, 39096990, 78193980]

約数ペア:

[(1, 78193980), (2, 39096990), (3, 26064660), (4, 19548495), (5, 15638796), (6, 13032330), (9, 8688220), (10, 7819398), (12, 6516165), (15, 5212932), (18, 4344110), (20, 3909699), (30, 2606466), (36, 2172055), (45, 1737644), (60, 1303233), (90, 868822), (180, 434411)]