138780960

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{289127}}^1$

素因数の和:289145

約数の個数: 48

約数和(自身を含む): 437161536

約数和(自身を除く): 298380576

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 289127, 578254, 867381, 1156508, 1445635, 1734762, 2313016, 2891270, 3469524, 4336905, 4626032, 5782540, 6939048, 8673810, 9252064, 11565080, 13878096, 17347620, 23130160, 27756192, 34695240, 46260320, 69390480, 138780960]

約数ペア:

[(1, 138780960), (2, 69390480), (3, 46260320), (4, 34695240), (5, 27756192), (6, 23130160), (8, 17347620), (10, 13878096), (12, 11565080), (15, 9252064), (16, 8673810), (20, 6939048), (24, 5782540), (30, 4626032), (32, 4336905), (40, 3469524), (48, 2891270), (60, 2313016), (80, 1734762), (96, 1445635), (120, 1156508), (160, 867381), (240, 578254), (480, 289127)]