278758320

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{1161493}}^1$

素因数の和:1161509

約数の個数: 40

約数和(自身を含む): 864151536

約数和(自身を除く): 585393216

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 1161493, 2322986, 3484479, 4645972, 5807465, 6968958, 9291944, 11614930, 13937916, 17422395, 18583888, 23229860, 27875832, 34844790, 46459720, 55751664, 69689580, 92919440, 139379160, 278758320]

約数ペア:

[(1, 278758320), (2, 139379160), (3, 92919440), (4, 69689580), (5, 55751664), (6, 46459720), (8, 34844790), (10, 27875832), (12, 23229860), (15, 18583888), (16, 17422395), (20, 13937916), (24, 11614930), (30, 9291944), (40, 6968958), (48, 5807465), (60, 4645972), (80, 3484479), (120, 2322986), (240, 1161493)]