77881968

素因数分解:

$2^4\times 3^2\times {\mathrm{557}}^1\times {\mathrm{971}}^1$

素因数の和:1542

約数の個数: 60

約数和(自身を含む): 218577528

約数和(自身を除く): 140695560

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 557, 971, 1114, 1671, 1942, 2228, 2913, 3342, 3884, 4456, 5013, 5826, 6684, 7768, 8739, 8912, 10026, 11652, 13368, 15536, 17478, 20052, 23304, 26736, 34956, 40104, 46608, 69912, 80208, 139824, 540847, 1081694, 1622541, 2163388, 3245082, 4326776, 4867623, 6490164, 8653552, 9735246, 12980328, 19470492, 25960656, 38940984, 77881968]

約数ペア:

[(1, 77881968), (2, 38940984), (3, 25960656), (4, 19470492), (6, 12980328), (8, 9735246), (9, 8653552), (12, 6490164), (16, 4867623), (18, 4326776), (24, 3245082), (36, 2163388), (48, 1622541), (72, 1081694), (144, 540847), (557, 139824), (971, 80208), (1114, 69912), (1671, 46608), (1942, 40104), (2228, 34956), (2913, 26736), (3342, 23304), (3884, 20052), (4456, 17478), (5013, 15536), (5826, 13368), (6684, 11652), (7768, 10026), (8739, 8912)]