8987820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{919}}^1$

素因数の和:1094

約数の個数: 48

約数和(自身を含む): 25347840

約数和(自身を除く): 16360020

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 163, 326, 489, 652, 815, 919, 978, 1630, 1838, 1956, 2445, 2757, 3260, 3676, 4595, 4890, 5514, 9190, 9780, 11028, 13785, 18380, 27570, 55140, 149797, 299594, 449391, 599188, 748985, 898782, 1497970, 1797564, 2246955, 2995940, 4493910, 8987820]

約数ペア:

[(1, 8987820), (2, 4493910), (3, 2995940), (4, 2246955), (5, 1797564), (6, 1497970), (10, 898782), (12, 748985), (15, 599188), (20, 449391), (30, 299594), (60, 149797), (163, 55140), (326, 27570), (489, 18380), (652, 13785), (815, 11028), (919, 9780), (978, 9190), (1630, 5514), (1838, 4890), (1956, 4595), (2445, 3676), (2757, 3260)]