66788640

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{46381}}^1$

素因数の和:46402

約数の個数: 72

約数和(自身を含む): 227921148

約数和(自身を除く): 161132508

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 46381, 92762, 139143, 185524, 231905, 278286, 371048, 417429, 463810, 556572, 695715, 742096, 834858, 927620, 1113144, 1391430, 1484192, 1669716, 1855240, 2087145, 2226288, 2782860, 3339432, 3710480, 4174290, 4452576, 5565720, 6678864, 7420960, 8348580, 11131440, 13357728, 16697160, 22262880, 33394320, 66788640]

約数ペア:

[(1, 66788640), (2, 33394320), (3, 22262880), (4, 16697160), (5, 13357728), (6, 11131440), (8, 8348580), (9, 7420960), (10, 6678864), (12, 5565720), (15, 4452576), (16, 4174290), (18, 3710480), (20, 3339432), (24, 2782860), (30, 2226288), (32, 2087145), (36, 1855240), (40, 1669716), (45, 1484192), (48, 1391430), (60, 1113144), (72, 927620), (80, 834858), (90, 742096), (96, 695715), (120, 556572), (144, 463810), (160, 417429), (180, 371048), (240, 278286), (288, 231905), (360, 185524), (480, 139143), (720, 92762), (1440, 46381)]