121920840

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{338669}}^1$

素因数の和:338686

約数の個数: 48

約数和(自身を含む): 396243900

約数和(自身を除く): 274323060

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, 338669, 677338, 1016007, 1354676, 1693345, 2032014, 2709352, 3048021, 3386690, 4064028, 5080035, 6096042, 6773380, 8128056, 10160070, 12192084, 13546760, 15240105, 20320140, 24384168, 30480210, 40640280, 60960420, 121920840]

約数ペア:

[(1, 121920840), (2, 60960420), (3, 40640280), (4, 30480210), (5, 24384168), (6, 20320140), (8, 15240105), (9, 13546760), (10, 12192084), (12, 10160070), (15, 8128056), (18, 6773380), (20, 6096042), (24, 5080035), (30, 4064028), (36, 3386690), (40, 3048021), (45, 2709352), (60, 2032014), (72, 1693345), (90, 1354676), (120, 1016007), (180, 677338), (360, 338669)]