1215991800

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{675551}}^1$

素因数の和:675573

約数の個数: 72

約数和(自身を含む): 4083711840

約数和(自身を除く): 2867720040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 36, 40, 45, 50, 60, 72, 75, 90, 100, 120, 150, 180, 200, 225, 300, 360, 450, 600, 900, 1800, 675551, 1351102, 2026653, 2702204, 3377755, 4053306, 5404408, 6079959, 6755510, 8106612, 10133265, 12159918, 13511020, 16213224, 16888775, 20266530, 24319836, 27022040, 30399795, 33777550, 40533060, 48639672, 50666325, 60799590, 67555100, 81066120, 101332650, 121599180, 135110200, 151998975, 202665300, 243198360, 303997950, 405330600, 607995900, 1215991800]

約数ペア:

[(1, 1215991800), (2, 607995900), (3, 405330600), (4, 303997950), (5, 243198360), (6, 202665300), (8, 151998975), (9, 135110200), (10, 121599180), (12, 101332650), (15, 81066120), (18, 67555100), (20, 60799590), (24, 50666325), (25, 48639672), (30, 40533060), (36, 33777550), (40, 30399795), (45, 27022040), (50, 24319836), (60, 20266530), (72, 16888775), (75, 16213224), (90, 13511020), (100, 12159918), (120, 10133265), (150, 8106612), (180, 6755510), (200, 6079959), (225, 5404408), (300, 4053306), (360, 3377755), (450, 2702204), (600, 2026653), (900, 1351102), (1800, 675551)]