639665424

素因数分解:

$2^4\times 3^6\times {\mathrm{173}}^1\times {\mathrm{317}}^1$

素因数の和:516

約数の個数: 140

約数和(自身を含む): 1874814156

約数和(自身を除く): 1235148732

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 81, 108, 144, 162, 173, 216, 243, 317, 324, 346, 432, 486, 519, 634, 648, 692, 729, 951, 972, 1038, 1268, 1296, 1384, 1458, 1557, 1902, 1944, 2076, 2536, 2768, 2853, 2916, 3114, 3804, 3888, 4152, 4671, 5072, 5706, 5832, 6228, 7608, 8304, 8559, 9342, 11412, 11664, 12456, 14013, 15216, 17118, 18684, 22824, 24912, 25677, 28026, 34236, 37368, 42039, 45648, 51354, 54841, 56052, 68472, 74736, 77031, 84078, 102708, 109682, 112104, 126117, 136944, 154062, 164523, 168156, 205416, 219364, 224208, 231093, 252234, 308124, 329046, 336312, 410832, 438728, 462186, 493569, 504468, 616248, 658092, 672624, 877456, 924372, 987138, 1008936, 1232496, 1316184, 1480707, 1848744, 1974276, 2017872, 2632368, 2961414, 3697488, 3948552, 4442121, 5922828, 7897104, 8884242, 11845656, 13326363, 17768484, 23691312, 26652726, 35536968, 39979089, 53305452, 71073936, 79958178, 106610904, 159916356, 213221808, 319832712, 639665424]

約数ペア:

[(1, 639665424), (2, 319832712), (3, 213221808), (4, 159916356), (6, 106610904), (8, 79958178), (9, 71073936), (12, 53305452), (16, 39979089), (18, 35536968), (24, 26652726), (27, 23691312), (36, 17768484), (48, 13326363), (54, 11845656), (72, 8884242), (81, 7897104), (108, 5922828), (144, 4442121), (162, 3948552), (173, 3697488), (216, 2961414), (243, 2632368), (317, 2017872), (324, 1974276), (346, 1848744), (432, 1480707), (486, 1316184), (519, 1232496), (634, 1008936), (648, 987138), (692, 924372), (729, 877456), (951, 672624), (972, 658092), (1038, 616248), (1268, 504468), (1296, 493569), (1384, 462186), (1458, 438728), (1557, 410832), (1902, 336312), (1944, 329046), (2076, 308124), (2536, 252234), (2768, 231093), (2853, 224208), (2916, 219364), (3114, 205416), (3804, 168156), (3888, 164523), (4152, 154062), (4671, 136944), (5072, 126117), (5706, 112104), (5832, 109682), (6228, 102708), (7608, 84078), (8304, 77031), (8559, 74736), (9342, 68472), (11412, 56052), (11664, 54841), (12456, 51354), (14013, 45648), (15216, 42039), (17118, 37368), (18684, 34236), (22824, 28026), (24912, 25677)]