19711080

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{18251}}^1$

素因数の和:18271

約数の個数: 64

約数和(自身を含む): 65707200

約数和(自身を除く): 45996120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 18251, 36502, 54753, 73004, 91255, 109506, 146008, 164259, 182510, 219012, 273765, 328518, 365020, 438024, 492777, 547530, 657036, 730040, 821295, 985554, 1095060, 1314072, 1642590, 1971108, 2190120, 2463885, 3285180, 3942216, 4927770, 6570360, 9855540, 19711080]

約数ペア:

[(1, 19711080), (2, 9855540), (3, 6570360), (4, 4927770), (5, 3942216), (6, 3285180), (8, 2463885), (9, 2190120), (10, 1971108), (12, 1642590), (15, 1314072), (18, 1095060), (20, 985554), (24, 821295), (27, 730040), (30, 657036), (36, 547530), (40, 492777), (45, 438024), (54, 365020), (60, 328518), (72, 273765), (90, 219012), (108, 182510), (120, 164259), (135, 146008), (180, 109506), (216, 91255), (270, 73004), (360, 54753), (540, 36502), (1080, 18251)]