221867280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{308149}}^1$

素因数の和:308168

約数の個数: 60

約数和(自身を含む): 745106700

約数和(自身を除く): 523239420

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 308149, 616298, 924447, 1232596, 1540745, 1848894, 2465192, 2773341, 3081490, 3697788, 4622235, 4930384, 5546682, 6162980, 7395576, 9244470, 11093364, 12325960, 13866705, 14791152, 18488940, 22186728, 24651920, 27733410, 36977880, 44373456, 55466820, 73955760, 110933640, 221867280]

約数ペア:

[(1, 221867280), (2, 110933640), (3, 73955760), (4, 55466820), (5, 44373456), (6, 36977880), (8, 27733410), (9, 24651920), (10, 22186728), (12, 18488940), (15, 14791152), (16, 13866705), (18, 12325960), (20, 11093364), (24, 9244470), (30, 7395576), (36, 6162980), (40, 5546682), (45, 4930384), (48, 4622235), (60, 3697788), (72, 3081490), (80, 2773341), (90, 2465192), (120, 1848894), (144, 1540745), (180, 1232596), (240, 924447), (360, 616298), (720, 308149)]