256113720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{711427}}^1$

素因数の和:711444

約数の個数: 48

約数和(自身を含む): 832370760

約数和(自身を除く): 576257040

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, 711427, 1422854, 2134281, 2845708, 3557135, 4268562, 5691416, 6402843, 7114270, 8537124, 10671405, 12805686, 14228540, 17074248, 21342810, 25611372, 28457080, 32014215, 42685620, 51222744, 64028430, 85371240, 128056860, 256113720]

約数ペア:

[(1, 256113720), (2, 128056860), (3, 85371240), (4, 64028430), (5, 51222744), (6, 42685620), (8, 32014215), (9, 28457080), (10, 25611372), (12, 21342810), (15, 17074248), (18, 14228540), (20, 12805686), (24, 10671405), (30, 8537124), (36, 7114270), (40, 6402843), (45, 5691416), (60, 4268562), (72, 3557135), (90, 2845708), (120, 2134281), (180, 1422854), (360, 711427)]