257096880

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{357079}}^1$

素因数の和:357098

約数の個数: 60

約数和(自身を含む): 863419440

約数和(自身を除く): 606322560

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, 357079, 714158, 1071237, 1428316, 1785395, 2142474, 2856632, 3213711, 3570790, 4284948, 5356185, 5713264, 6427422, 7141580, 8569896, 10712370, 12854844, 14283160, 16068555, 17139792, 21424740, 25709688, 28566320, 32137110, 42849480, 51419376, 64274220, 85698960, 128548440, 257096880]

約数ペア:

[(1, 257096880), (2, 128548440), (3, 85698960), (4, 64274220), (5, 51419376), (6, 42849480), (8, 32137110), (9, 28566320), (10, 25709688), (12, 21424740), (15, 17139792), (16, 16068555), (18, 14283160), (20, 12854844), (24, 10712370), (30, 8569896), (36, 7141580), (40, 6427422), (45, 5713264), (48, 5356185), (60, 4284948), (72, 3570790), (80, 3213711), (90, 2856632), (120, 2142474), (144, 1785395), (180, 1428316), (240, 1071237), (360, 714158), (720, 357079)]