80181540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{445453}}^1$

素因数の和:445468

約数の個数: 36

約数和(自身を含む): 243217884

約数和(自身を除く): 163036344

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 445453, 890906, 1336359, 1781812, 2227265, 2672718, 4009077, 4454530, 5345436, 6681795, 8018154, 8909060, 13363590, 16036308, 20045385, 26727180, 40090770, 80181540]

約数ペア:

[(1, 80181540), (2, 40090770), (3, 26727180), (4, 20045385), (5, 16036308), (6, 13363590), (9, 8909060), (10, 8018154), (12, 6681795), (15, 5345436), (18, 4454530), (20, 4009077), (30, 2672718), (36, 2227265), (45, 1781812), (60, 1336359), (90, 890906), (180, 445453)]