131805120

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{251}}^1\times {\mathrm{547}}^1$

素因数の和:818

約数の個数: 112

約数和(自身を含む): 420916608

約数和(自身を除く): 289111488

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 160, 192, 240, 251, 320, 480, 502, 547, 753, 960, 1004, 1094, 1255, 1506, 1641, 2008, 2188, 2510, 2735, 3012, 3282, 3765, 4016, 4376, 5020, 5470, 6024, 6564, 7530, 8032, 8205, 8752, 10040, 10940, 12048, 13128, 15060, 16064, 16410, 17504, 20080, 21880, 24096, 26256, 30120, 32820, 35008, 40160, 43760, 48192, 52512, 60240, 65640, 80320, 87520, 105024, 120480, 131280, 137297, 175040, 240960, 262560, 274594, 411891, 525120, 549188, 686485, 823782, 1098376, 1372970, 1647564, 2059455, 2196752, 2745940, 3295128, 4118910, 4393504, 5491880, 6590256, 8237820, 8787008, 10983760, 13180512, 16475640, 21967520, 26361024, 32951280, 43935040, 65902560, 131805120]

約数ペア:

[(1, 131805120), (2, 65902560), (3, 43935040), (4, 32951280), (5, 26361024), (6, 21967520), (8, 16475640), (10, 13180512), (12, 10983760), (15, 8787008), (16, 8237820), (20, 6590256), (24, 5491880), (30, 4393504), (32, 4118910), (40, 3295128), (48, 2745940), (60, 2196752), (64, 2059455), (80, 1647564), (96, 1372970), (120, 1098376), (160, 823782), (192, 686485), (240, 549188), (251, 525120), (320, 411891), (480, 274594), (502, 262560), (547, 240960), (753, 175040), (960, 137297), (1004, 131280), (1094, 120480), (1255, 105024), (1506, 87520), (1641, 80320), (2008, 65640), (2188, 60240), (2510, 52512), (2735, 48192), (3012, 43760), (3282, 40160), (3765, 35008), (4016, 32820), (4376, 30120), (5020, 26256), (5470, 24096), (6024, 21880), (6564, 20080), (7530, 17504), (8032, 16410), (8205, 16064), (8752, 15060), (10040, 13128), (10940, 12048)]