80438940

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{148961}}^1$

素因数の和:148979

約数の個数: 48

約数和(自身を含む): 250256160

約数和(自身を除く): 169817220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 148961, 297922, 446883, 595844, 744805, 893766, 1340649, 1489610, 1787532, 2234415, 2681298, 2979220, 4021947, 4468830, 5362596, 6703245, 8043894, 8937660, 13406490, 16087788, 20109735, 26812980, 40219470, 80438940]

約数ペア:

[(1, 80438940), (2, 40219470), (3, 26812980), (4, 20109735), (5, 16087788), (6, 13406490), (9, 8937660), (10, 8043894), (12, 6703245), (15, 5362596), (18, 4468830), (20, 4021947), (27, 2979220), (30, 2681298), (36, 2234415), (45, 1787532), (54, 1489610), (60, 1340649), (90, 893766), (108, 744805), (135, 595844), (180, 446883), (270, 297922), (540, 148961)]