161918280

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{449773}}^1$

素因数の和:449790

約数の個数: 48

約数和(自身を含む): 526235580

約数和(自身を除く): 364317300

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, 449773, 899546, 1349319, 1799092, 2248865, 2698638, 3598184, 4047957, 4497730, 5397276, 6746595, 8095914, 8995460, 10794552, 13493190, 16191828, 17990920, 20239785, 26986380, 32383656, 40479570, 53972760, 80959140, 161918280]

約数ペア:

[(1, 161918280), (2, 80959140), (3, 53972760), (4, 40479570), (5, 32383656), (6, 26986380), (8, 20239785), (9, 17990920), (10, 16191828), (12, 13493190), (15, 10794552), (18, 8995460), (20, 8095914), (24, 6746595), (30, 5397276), (36, 4497730), (40, 4047957), (45, 3598184), (60, 2698638), (72, 2248865), (90, 1799092), (120, 1349319), (180, 899546), (360, 449773)]