256053240

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{711259}}^1$

素因数の和:711276

約数の個数: 48

約数和(自身を含む): 832174200

約数和(自身を除く): 576120960

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, 711259, 1422518, 2133777, 2845036, 3556295, 4267554, 5690072, 6401331, 7112590, 8535108, 10668885, 12802662, 14225180, 17070216, 21337770, 25605324, 28450360, 32006655, 42675540, 51210648, 64013310, 85351080, 128026620, 256053240]

約数ペア:

[(1, 256053240), (2, 128026620), (3, 85351080), (4, 64013310), (5, 51210648), (6, 42675540), (8, 32006655), (9, 28450360), (10, 25605324), (12, 21337770), (15, 17070216), (18, 14225180), (20, 12802662), (24, 10668885), (30, 8535108), (36, 7112590), (40, 6401331), (45, 5690072), (60, 4267554), (72, 3556295), (90, 2845036), (120, 2133777), (180, 1422518), (360, 711259)]