82459980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{2531}}^1$

素因数の和:2727

約数の個数: 72

約数和(自身を含む): 251609904

約数和(自身を除く): 169149924

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 181, 362, 543, 724, 905, 1086, 1629, 1810, 2172, 2531, 2715, 3258, 3620, 5062, 5430, 6516, 7593, 8145, 10124, 10860, 12655, 15186, 16290, 22779, 25310, 30372, 32580, 37965, 45558, 50620, 75930, 91116, 113895, 151860, 227790, 455580, 458111, 916222, 1374333, 1832444, 2290555, 2748666, 4122999, 4581110, 5497332, 6871665, 8245998, 9162220, 13743330, 16491996, 20614995, 27486660, 41229990, 82459980]

約数ペア:

[(1, 82459980), (2, 41229990), (3, 27486660), (4, 20614995), (5, 16491996), (6, 13743330), (9, 9162220), (10, 8245998), (12, 6871665), (15, 5497332), (18, 4581110), (20, 4122999), (30, 2748666), (36, 2290555), (45, 1832444), (60, 1374333), (90, 916222), (180, 458111), (181, 455580), (362, 227790), (543, 151860), (724, 113895), (905, 91116), (1086, 75930), (1629, 50620), (1810, 45558), (2172, 37965), (2531, 32580), (2715, 30372), (3258, 25310), (3620, 22779), (5062, 16290), (5430, 15186), (6516, 12655), (7593, 10860), (8145, 10124)]