255907440

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{355427}}^1$

素因数の和:355446

約数の個数: 60

約数和(自身を含む): 859424904

約数和(自身を除く): 603517464

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, 355427, 710854, 1066281, 1421708, 1777135, 2132562, 2843416, 3198843, 3554270, 4265124, 5331405, 5686832, 6397686, 7108540, 8530248, 10662810, 12795372, 14217080, 15994215, 17060496, 21325620, 25590744, 28434160, 31988430, 42651240, 51181488, 63976860, 85302480, 127953720, 255907440]

約数ペア:

[(1, 255907440), (2, 127953720), (3, 85302480), (4, 63976860), (5, 51181488), (6, 42651240), (8, 31988430), (9, 28434160), (10, 25590744), (12, 21325620), (15, 17060496), (16, 15994215), (18, 14217080), (20, 12795372), (24, 10662810), (30, 8530248), (36, 7108540), (40, 6397686), (45, 5686832), (48, 5331405), (60, 4265124), (72, 3554270), (80, 3198843), (90, 2843416), (120, 2132562), (144, 1777135), (180, 1421708), (240, 1066281), (360, 710854), (720, 355427)]