155198320

素因数分解:

$2^4\times 5^1\times {\mathrm{59}}^1\times {\mathrm{131}}^1\times {\mathrm{251}}^1$

素因数の和:454

約数の個数: 80

約数和(自身を含む): 371226240

約数和(自身を除く): 216027920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 59, 80, 118, 131, 236, 251, 262, 295, 472, 502, 524, 590, 655, 944, 1004, 1048, 1180, 1255, 1310, 2008, 2096, 2360, 2510, 2620, 4016, 4720, 5020, 5240, 7729, 10040, 10480, 14809, 15458, 20080, 29618, 30916, 32881, 38645, 59236, 61832, 65762, 74045, 77290, 118472, 123664, 131524, 148090, 154580, 164405, 236944, 263048, 296180, 309160, 328810, 526096, 592360, 618320, 657620, 1184720, 1315240, 1939979, 2630480, 3879958, 7759916, 9699895, 15519832, 19399790, 31039664, 38799580, 77599160, 155198320]

約数ペア:

[(1, 155198320), (2, 77599160), (4, 38799580), (5, 31039664), (8, 19399790), (10, 15519832), (16, 9699895), (20, 7759916), (40, 3879958), (59, 2630480), (80, 1939979), (118, 1315240), (131, 1184720), (236, 657620), (251, 618320), (262, 592360), (295, 526096), (472, 328810), (502, 309160), (524, 296180), (590, 263048), (655, 236944), (944, 164405), (1004, 154580), (1048, 148090), (1180, 131524), (1255, 123664), (1310, 118472), (2008, 77290), (2096, 74045), (2360, 65762), (2510, 61832), (2620, 59236), (4016, 38645), (4720, 32881), (5020, 30916), (5240, 29618), (7729, 20080), (10040, 15458), (10480, 14809)]