138812760

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{385591}}^1$

素因数の和:385608

約数の個数: 48

約数和(自身を含む): 451142640

約数和(自身を除く): 312329880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 385591, 771182, 1156773, 1542364, 1927955, 2313546, 3084728, 3470319, 3855910, 4627092, 5783865, 6940638, 7711820, 9254184, 11567730, 13881276, 15423640, 17351595, 23135460, 27762552, 34703190, 46270920, 69406380, 138812760]

約数ペア:

[(1, 138812760), (2, 69406380), (3, 46270920), (4, 34703190), (5, 27762552), (6, 23135460), (8, 17351595), (9, 15423640), (10, 13881276), (12, 11567730), (15, 9254184), (18, 7711820), (20, 6940638), (24, 5783865), (30, 4627092), (36, 3855910), (40, 3470319), (45, 3084728), (60, 2313546), (72, 1927955), (90, 1542364), (120, 1156773), (180, 771182), (360, 385591)]