81139770

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{5531}}^1$

素因数の和:5707

約数の個数: 48

約数和(自身を含む): 212296032

約数和(自身を除く): 131156262

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 163, 326, 489, 815, 978, 1467, 1630, 2445, 2934, 4890, 5531, 7335, 11062, 14670, 16593, 27655, 33186, 49779, 55310, 82965, 99558, 165930, 248895, 497790, 901553, 1803106, 2704659, 4507765, 5409318, 8113977, 9015530, 13523295, 16227954, 27046590, 40569885, 81139770]

約数ペア:

[(1, 81139770), (2, 40569885), (3, 27046590), (5, 16227954), (6, 13523295), (9, 9015530), (10, 8113977), (15, 5409318), (18, 4507765), (30, 2704659), (45, 1803106), (90, 901553), (163, 497790), (326, 248895), (489, 165930), (815, 99558), (978, 82965), (1467, 55310), (1630, 49779), (2445, 33186), (2934, 27655), (4890, 16593), (5531, 14670), (7335, 11062)]